講演・学会発表



国際学会口頭発表


2023 |2022 | 2021 | 2020 | 2019| 2018| 2017| 2016| 2015|2014| 2013| 2012| 2011| 2010| 2009| 2008| 2007| 2006

2023（令和5年）

  1. 〇Toshiyuki Yokoi, , Hiroto Toyoda, Junko N. Kondo, Hermann Gies, “Modulation of Framework Al Distribution of Mse-Type Zeolite By Site-Selective Dealumination” 403h, 2023 AIChE Annual Meeting, November 5-10, 2023, Hyatt Regency Orlando, Orlando, FL

  2. 〇Toshiyuki Yokoi ,“Zeolite Catalysis for Carbon Neutrality” , IA-3, 9th Asia-Pacific Congress on Catalysis (APCAT-9), Oct. 30-Nov.2, 2023, Hangzhou, China.

  3. 〇Peipei Xiao , Yong Wang, Kengo Nakamura, Hermann Gies, Toshiyuki Yokoi, “ Direct oxidation of methane to value-added chemicals” , OD3, 9th Asia-Pacific Congress on Catalysis (APCAT-9), Oct. 30-Nov.2, 2023, Hangzhou, China.

  4. 〇Toshiyuki Yokoi , Kengo Nakamura, Peipei Xiao, Ryota Osuga, Junko N. Kondo, Atsushi Muramatsu, Hermann Gies, "Activation of N2O and CH4 over metal-exchanged zeolite: impact of framework Al distribution", DES-OL-04, 15th European Congress on Catalysis (EuropaCat 2023), Prague, August 27 - September 1, 2023

  5. 〇Toshiyuki Yokoi , Peipei Xiao, Kengo Nakamura, Yong Wang, Hermann Gies, “Catalytic activation of N2O and CH4 over Metal-exchanged zeolites”, 9th Conference of the Federation of the European Zeolite Associations (FEZA2023), Portorož, Slovenia, July 2-6, 2023

  6. 〇Toshiyuki Yokoi, Peipei Xiao, Kengo Nakamura, Yao Lu, Yong Wang, Hermann Gies,“Control of distribution of framework Al atoms in 8-ring zeolites and its impact on catalysis for activation of N2O with CH4”, RTND 1440, 28th North American Meeting (NAM28), Rhode Island, USA, June 18 - 23, 2023

  7. 〇Toshiyuki Yokoi, Toshiki Kaseguma, Shuhei Yasuda, Junko N. Kondo, “Design and synthesis of Cr-containing zeolite as dehydrogenation catalyst: impact of acidic properties of zeolite”,GO-A14, The 19th Korea-Japan Symposium on Catalysis, The Korea Science and Technology Center, Seoul, Korea, May 15-17, 2023

  8. 〇Masato Sawada , Kensuke Okubo, Yao Lu, Hiroaki Onozuka, Susumu Tsutsuminai, Toshiyuki Yokoi, “Seed-Assisted Rapid Crystallization of CON-type Zeolite Catalyst”, YO C15, The 19th Korea-Japan Symposium on Catalysis, The Korea Science and Technology Center, Seoul, Korea, May 15-17, 2023


2022（令和4年）

  1. 〇Toshiyuki Yokoi, “Activation of N2O in the presence of CH4 by metal-exchanged zeolites”, O7-1, 5th Euro-Asia Zeolite Conference (5th EAZC), Busan, South Korea, February 5 – 8, 2023 (2/8, 2023)

  2. 〇Toshiyuki Yokoi , Kengo Nakamura, Shuhei Yasuda, Peipei Xiao, Yong Wong, Ryota Osuga, AtsushiMuramatsu, “Design and Synthesis of Zeolite Catalyst for Production of Hydrocarbons from Methane Via Methanol”264i, 2022 AIChE Annual Meeting, Phoenix Convention Center, Phoenix, AZ, November 13-18, 2022

  3. 〇Y. Lu , Y. Wang, K. Nakamura, T. Matsumoto, J. N. Kondo, and T. Yokoi, “Synthesis of green CHA zeolite from rice husk charcoal and its applications”, GO5, International Symposium on Porous Materials 2022 (ISPM2022), Tokyo・Online, 10/12 – 10/14, 2022 (10/13, 2022)

  4. 〇Takeshi Matsumoto , Ryota Osuga, Takashi Takeuchi, Masato Sawada, Hermann Gies, Toshiyuki Yokoi, “Surfactant-assisted direct crystallization of AEI-type zeolite catalyst with the distribution of acid sites and particle morphology controlled”, 3755193, ACS Fall, Chicago, August 24, 2022

  5. 〇Toshiyuki Yokoi, “A new class of zeolite catalyst with location and state of active sites controlled”, KL9, The 9th Tokyo Conference on Advanced Catalytic Science and Technology, Online, July 24-29, 2022

  6. 〇Toshiyuki Yokoi, Hiroto Toyoda, Ryota Osuga, Yong Wang, Sungsik Park, Koji Yazawa, Hermann Gies, Christopher J. Gilbert, Blidge Yilmaz, C.P. Kelkar, “Clarification of acid site location in MSE-type zeolites by spectroscopic approaches combined with catalytic activity: comparison between UZM-35 and MCM-68”, O01.13, 20th International Zeolite Conference, Valencia, Spain, July 3-8, 2022

  7. 〇Shuhei Yasuda , Takeshi Matsumoto, Toshiyuki Yokoi, “Zeolite-Supported Ultra-Small Nickel As Catalyst for Oxidative Conversion of Methane to Syngas”, Mon-GBRE-1710, The 27th North American Catalysis Society Meeting (NAM27), New York, NY, May 22-27, 2022

  8. 〇Toshiyuki Yokoi, Masato Sawada, Takashi Takeuchi, Takeshi Matsumoto, Ryota Osuga, Shuhei Yasuda, Junko N. Kondo, Hermann Gies, “Surfactant-Assisted Direct Crystallization of CON-Type Zeolites with Particle Size and Acid-Site Location Controlled”, TUE-TRBR-1050, The 27th North American Catalysis Society Meeting (NAM27), New York, NY, May 22-27, 2022

2021（令和3年）

  1. 〇Shunsuke Yamada, Presenter; Yao Lu; Shuhei Yasuda; Takeshi Matsumoto; Ryota Osuga; Junko Kondo; Toshiyuki Yokoi, “Controlling the location of heteroatoms based on the B-site controlled MFI zeolite”, Pacifichem 2021, Online, December 21, 2021, Pacifichem 2021, Online, December 21, 2021

  2. 〇Shunsuke Yamada, Shuhei Yasuda, Willie Yang, Masamichi Hosaki, Takeshi Matsumoto, Junko N. Kondo, Toshiyuki Yokoi, “Effect of crystal growth pathway of TS-1 zeolite on the incorporation of Ti into the framework”, 18th Japan-Korea Symposium on Catalysis (18JKSC) Online, November 22, 2021

  3. 〇Cai Yibing, Takeshi Matsumoto, Shuhei Yasuda, Shunsuke Yamada, Junko N. Kondo, Toshiyuki Yokoi, “Metal nanoparticle catalyst dispersed on mesoporous carbon for catalytic C–C bond formations”, 18th Japan-Korea Symposium on Catalysis (18JKSC) Online, November 22, 2021

  4. Qin Feiyu, Yong Wang, Yao Lu, Hermann Gies, 〇Toshiyuki Yokoi, “Synthesis of Aluminoborosilicate Isomorphous to Zeolite TUN and Its Acidic and Catalytic Properties”, 2021AlChE annual meeting, Online, November, 08, 2021

2020（令和2年）


2019（平成31年・令和元年）

  1. 〇Raquel Simancas , Toshiki Nishitoba, Fernando Rey, Junko N. Kondo, Toshiyuki Yokoi, “ Direct incorporation of B, Al and Ga into small and medium pore ITQ-52 zeolite”, 7, International Symposium on Porous Materials, Tokyo, Japan, November 17-19, 2019.

  2. 〇 Toshiyuki Yokoi, “Impact of heteroatom distribution in zeolite framework on catalytic properties”, IL-58, 2019 International Conference on Nanospace Materials, Brisbane, Australia, October 1-4, 2019.

  3. 〇 Takeshi Matsumoto, “Photochemical Conversion of C1-species with Non-precious Metal Complexes” , ★, Japan-Taiwan Joint Mini-Workshop on Heterogeneous Catalysis, Kanagawa, Japan, September 30, 2019.

  4. 〇Toshiyuki Yokoi, “Development of Zeolite Catalysis for Selective Production of Light Olefins”, 5, ETH/ICAT joint symposium on catalysis, ETH, Zurich, Switzerland, September 10-11, 2019.

  5. 〇 Toshiyuki Yokoi, “Catalytic conversion of methane over zeolite catalysts”, JST-TU Delft Symposium, Innovating Methodologies in Catalysis, Delft, Netherlands, August 26-27, 2019

  6. 〇Ryota Osuga , Toshiyuki Yokoi, Junko N. Kondo, “Investigation of the cation vibration of zeolites for understanding the confinement effect by using in-situ far-IR system”, S6-056-1545, The 8th Asia Pacific Congress on Catalysis, Bangkok, Thailand, August 4-7, 2019.

  7. 〇Y. Kunitake, K. Sago, R. Osuga, J. N. Kondo, M. Yabushita, A. Muramatsu, T. Yokoi, “Oxidative coupling of methane over metal-containing zeolites”, S6-110-1400, The 8th Asia Pacific Congress on Catalysis, Bangkok, Thailand, August 4-7, 2019.

  8. 〇Toshiyuki Yokoi , “Control of Ti distribution in the zeolite framework and its impact on the catalytic properties”, 423, 19th International Zeolite Conference, Perth, Australia , July 7-12 , 2019.

  9. 〇Raquel Simancas , “Synthesis and Acid Properties of the Phosphorus Modified Small and Medium Pore Zeolite ITQ-52”, 344, 19th International Zeolite Conference, Perth, Australia , July 7-12 , 2019.

  10. 〇Toshiyuki Yokoi , Xinyi Ji, Junko N. Kondo, Hermann Gies, “Control of Ti Distribution in the Zeolite Framework and Its Impact on the Catalytic Properties”, 18858, 26th North American Catalysis Society Meeting, Chicago, USA, June 23-28, 2019.

  11. 〇 Toshiyuki Yokoi , Ryota Osuga, Yusuke Kunitake, Junko N. Kondo, “Impact of Al Distribution in the Cu-Exchanged CHA-Type Zeolite on the Catalytic Performance in CH4 Conversion”, The 12th Natural Gas Conversion Symposium, San Antonio, TX, USA, June 2-6, 2019.

  12. 〇 Ryota Osuga , Toshiyuki Yokoi, Junko N. Kondo, “Far-IR observation of the cation vibration on various zeolites”, YO B15, 17th Korea-Japan Symposium on Catalysis, Jeju, Korea, May 20-22, 2019.

  13. 〇Toshiyuki Yokoi , “Impact of solvent on the performance in liquid-phase oxidation of methane to methanol over Fe-MFI zeolite”, GO B02, 17th Korea-Japan Symposium on Catalysis(17th-KJSC), Jeju, Korea, May 20-22, 2019.

  14. 〇 Gakuji Sato, “Methanol-to-olefins reaction over Ga-containing CON-type metallosilicate zeolite” YO A12,17th Korea-Japan Symposium on Catalysis, Jeju, Korea, May 20-22, 2019.　☝出張報告書より転記

2018（平成30年）

  1. 〇Toshiyuki Yokoi , “Effect of framework Al location in metal cation-exchanged zeolites on methane conversion” , CATK424, ACS Spring 2019 National Meeting, Orando, USA, March 31- April 4, 2019

  2. 〇Ryota Osuga , Toshiyuki Yokoi, Junko N. Kondo, “CHARACTERIZATION OF BASICITY OF LATTICE OXYGEN ON PROTON-FORM ZEOLITES USING FT-IR WITH CO2 PROBE METHOD”, Characterization #1-2, The 4th Euro-Asia Zeolite conference, Taormina, Italy, January 27-30, 2019.

  3. 〇 Raquel SIMANCAS, “NOVEL SMALL PORE ZEOLITE ITQ-52: SYNTHESIS AND ACID PROPERTIES”, Synthesis #1-2, The 4th Euro-Asia Zeolite conference, Taormina, Italy, January 27-30, 2019.

  4. 〇Toshiyuki Yokoi , “ IMPACT OF AL DISTRIBUTION IN THE CU-EXCHANGED ZEOLITE ON THE CATALYTIC PERFORMANCE IN CH4 CONVERSION”, Synthesis #2-2, The 4th Euro-Asia Zeolite conference, Taormina, Italy, January 27-30, 2019.

  5. 〇 Toshiyuki Yokoi , Sungsik Park, Junko N. Kondo, "Catalytic Performance of ZSM-5 Zeolites with the Different Al Distribution", OX105, International Symposium on Zeolites and Microporous Crystals (ZMPC 2018), Yokohama, Japan, August 5−9, 2018.

  6. 〇Ryota Osuga , Toshiyuki Yokoi, Kazuki Doitomi, Hajime Hirao, Junko N. Kondo, “Infrared Investigation of Dynamic Behavior of Brønsted Acid Sites on Zeolites at High Temperatures”, OZ302, International Symposium on Zeolites and Microporous Crystals (ZMPC 2018), Yokohama, Japan, August 5-9, 2018.

  7. 〇 Toshiyuki Yokoi , “Control of Al distribution in zeolite framework and its impact on hydrothermal stability and catalytic properties ”, KY402, International Symposium on Zeolites and Microporous Crystals (ZMPC 2018), Yokohama, Japan, August 5−9, 2018.

  8. 〇 Ryota Osuga , Toshiyuki Yokoi, Junko N. Kondo,“FT-IR Study of Characterization of Basicity of Lattice oxygen on Proton-form Zeolites using CO2 Probe Method” ,OE505,The 8th Tokyo Conference on Advanced Catalytic Science and Technology (TOCAT8), Yokohama, Japan, August 5-10. 2018.

    9. 2017（平成29年）
    1. T. Yokoi, T. Nishitoba, “Impact of starting materials on the Al distribution of the CHA-type aluminosilicate zeolites”, CATL 10, 255th ACS National Meeting, New Orleans, USA, March 18, 2018

    2. T. Yokoi, Y. Kimura, T. Kimura, Y. Kunitake, A. Muramatsu, “Preparation of Novel Al-MFI/Fe-MFI Core-Shell Catalysts and Their Catalytic Application for CH4 Conversion”, 177f, 2017 AIChE Annual Meeting, Minneapolis Convention Center, 1301 2nd Ave S, Minneapolis, MN 55403, USA, Oct. 28-Nov. 1, 2017

    3. Turgen Biligetu, Yong Wang, Toshiki Nishitoba, Ryoichi Otomo, Sungsik Park, Hiroshi Mochizuki, Junko N. Kondo, Takashi Tatsumi, Toshiyuki Yokoi*.“Al distribution and catalytic performance of ZSM-5 zeolites synthesized with various alcohols” , 2017 International Conference on Nanospace Materials (ICNM 2017), Shanghai, China, Aug.25-27, 2017

    4. 〇yota Osuga R, Yuki Hiyoshi, Toshiyuki Yokoi, Junko N. Kondo “FT-IR study of pore-size effect of mesoporous silica for cyclohexanone acetalization”, 13th European Congress on Catalysis, Florence, Italy, SS30.11, August 26- September 1, 2017

    5. M. Yoshioka, S. Park, T. Tatsumi, T. Yokoi, “Control of Al distribution on CON-type zeolites and catalysis”, O63, 7th International FEZA Conference, Sofia, Bulgaria, July 3-7, 2017

    6. 〇 Ryota Osuga, Toshiyuki Yokoi, Junko N. Kondo “FT-IR study of behavior of acidic hydroxyl groups on zeolites at high temperatures”, YO D12, 16th Korea-Japan Symposium on Catalysis & 3rd International Symposium of Institute for Catalysis, Kaderu 27, Sapporo, Japan, May 15-17, 2017

    7. 〇 Toshiki Nishitoba , Junko N. Kondo, Toshiyuki Yokoi,“Effect of starting materials on Al distribution of the CHA-type aluminosilicate zeolites” , YO D14, 16th Korea-Japan Symposium on Catalysis & 3rd International Symposium of Institute for Catalysis, Kaderu 27, Sapporo, Japan, May 15-17, 2017

    8. 〇 Yusuke Kunitake , Masato Yoshioka, Junko N. Kondo, Toshiyuki Yokoi,“Preparation of boroaluminosilicate zeolite with the AEI structure and its catalytic activity” , YO D19, 16th Korea-Japan Symposium on Catalysis & 3rd International Symposium of Institute for Catalysis, Kaderu 27, Sapporo, Japan, May 15-17, 2017

    9. ＜賞＞〇 Sungsik Park , Junko N. Kondo, Toshiyuki Yokoi, “Alcohol and Seed-assisted Synthesis of OSDA-free High-silica ZSM-5”, GO A06, 16th Korea-Japan Symposium on Catalysis & 3rd International Symposium of Institute for Catalysis, Kaderu 27, Sapporo, Japan, May 15-17, 2017

    10. Masato Yoshioka, Takashi Tatsumi, Toshiyuki Yokoi, “ ID 45: Control of Al distribution of the CON-type aluminosilicate zeolite catalyst”, OP – 23, 8th International Symposium on Acid-Base Catalysis, ABC-8, Rio de Janeiro, Brazil, May 7-10, 2017

    2016（平成28年）

    1. Toshiyuki Yokoi，“Aluminosilicate-type zeolite catalysts for biomass conversion”，Green Catalysis by design Meeting，University of Padova, Italy, February22-23, 2017

    2. ○T. Yokoi , T. Fujii, R. Otomo, J.N. Kondo, T. Tatsumi，“Control and Evaluation of Distribution of Ti sites in Titanosilicate Zeolites”，3rd Euro-Asia Zeolite Conference，The Westin Resort Nusa Dua Bali，Indonesia，January 22-25, 2017

    3. Yokoi Toshiyuki, “Development of CON-type aluminosilicates zeolites as catalyst for the MTO reaction”，OP169，Asia-Pacific Congress on Catalysis (APCAT)-7，Hotel Lalit, Mumbai，India, January 17-21, 2017

    4. Masato Yoshioka and Toshiyuki Yokoi，“Control of Al Sites in the CON-Type Aluminosilicate Zeolite”，465376，2016 AIChE Annual Meeting，Hotel Nikko San Francisco，U.S.A，November 13-18, 2016

    5. Yokoi T., Yoshioka M., Tatsumi T.，“PREPARATION OF INTERLAYER-EXPANDED Ti-MWW ZEOLITE BASED ON　REVERSIBLE STRUCTURAL CONVERSION”，Op23，the 6th International Workshop on Layered Materials，GASK - the Gallery of the Central Bohemian Region，Kutná Hora　Czech Republic，September 5– 9, 2016

    6. Dr Toshiyuki Yokoi, Dr Masato Yoshioka, Prof. Takashi Tatsumi，“MTO reaction over CON-type aluminosilicates zeolite with Al distribution in the framework controlled”，Paper # 186，NEWCASTLE CITY HALL，NEWCASTLE　AUSTRALIA ，JULY 10-13, 2016

    7. Toshiyuki Yokoi *, Turgen Biligetu, Ryoichi Otomo, Junko N. Kondo, Takashi Tatsumi，“A new class of ZSM-5 catalyst: synthesis and catalytic performance of ZSM-5 with the location of Al atoms in the framework controlled”，OB15，China National Convention Center (CNCC)， Beijing, China，July 3-8, 2016

    8. Toshiyuki Yokoi，“Direct conversion Methane to Methanol over Zeolite catalyst / H2O2 system” OA-04，Novel Catalysts for Energy and Environmental Issues（Pre 16 ICC），Institute for Catalysis　Hokkaido University，Sapporo, Japan，June 30th - July 1st　2016

    9. TOSHIYUKI YOKOI，“Post-synthesis method for tuning the Al content of OSDA-free Beta as catalyst for the selective production of light olefins”，OP-80，18TH INTERNATIONAL ZEOLITE CONFERENCE，WINDSOR BARRA HOTEL CONVENTION CENTER, Rio de Janeiro, RJ, Brazil，June 19-24, 2016

    2015（平成27年）

    1. Toshiyuki Yokoi,“EFFECT OF AL LOCATION IN THE MFI ZEOLITE ON THE CATALYTIC PERFORMANCE IN THE MTO　REACTION”，OP10，2016 BZA(The 39th annual meeting of the British Zeolite Association),The University of Bath，England, 21 - 23 March 2016

    2. Toshiyuki Yokoi, Masato Yoshioka and Takashi Tatsumi，“CON-Type Zeolite: A New Type of Catalyst for the MTO Reaction”，(513a)，2015 AIChE Annual Meeting，Salt Palace Convention Center，America, November 8-13, 2015

    3. Yokoi T, Otomo R, Tatsumi T,“　OSDA-Free Beta Zeolite with High Al Content as Efficient catalyst for Biomass Conversion”IV-OP30, XII European Congress on Catalysis, Kazan ,Russia, 8/30- 9/4, 2015.

    4. Takafumi KUBOTA, Hiroshi YAMAZAKI, Toshiyuki YOKOI, Junko N. KONDO,“Estimation of Acid Strength of OH Groups of Zeolites by Isotope Exchange Reaction with Ethane at High Temperatures”, OB18, ZMPC2015, Sapporo, Japan, June 28 - July 2, 2015

    5. Toshiyuki YOKOI, Hiroshi MOCHIZUKI, Junko N. KONDO, Takashi TATSUM,“Control of Location of Al atoms in the Pores of ZSM-5 Based on the Rational Choice of Organic and Inorganic Cations”, OC01, ZMPC2015, Sapporo, Japan, June 28 - July 2, 2015

    6. Toshiyuki Yokoi, Turgen Biligetu, Hiroshi Mochizuki, Junko N. Kondo, and Takashi Tatsumi,“Control of Location of Al atoms in the Framework of ZSM-5 Based on the Rational Choice of Organic and Inorganic Cations.”, B-IN-17, 2015 International Conference on Nanospace Materials, Taipei, Taiwan, June 23-25, 2015

    7. Toshiyuki Yokoi, Hiroshi Mochizuki, N.Junko Kondo, Takashi Tatsumi, “Improvement of Catalytic Activity in the MTO Reaction By Control of Location of Al Atoms in the Pores of ZSM-5”, 24th North American Catalysis Society Meeting, #11152, PITTSBURGH, America, JUNE 14-19, 2015

    8. Toshiyuki Yokoi,“Development of Zeolite Catalysis for Selective Production of Light Olefins”,KL-2, The 15th Korea-japan Symposiun on Catalysis, , Busan, Korea, May 26-28, 2015

    2014（平成26年）

    1. T. Yokoi, H. Mochizuki, J. N.Kondo, T. Tatsumi，“MTO reaction over the ZSM-5 with the　location of Al atoms in the framework controlled”，OP-12，2nd Euro-Asia Zeolite Conference， Boscolo B4 Hotel Plaza，Nice, France，January 25-28, 2015

    2. Toshiyuki Yokoi, Takashi Tatsumi and Hiroshi Mochizuki，“Control of the Location of Framework Al Atoms in ZSM-5 Zeolite”，216c，2014 AIChE Annual Meeting，Atlanta Marriott Marquis・Hilton Atlanta，America，November 16-21, 2014

    3. Junko N. Kondo, Shota Takao, Yu-Hsiang Wang, Toshiyuki Yokoi,“Emergence of Brönsted and Lewis Acid Sites on Ta2O5 Layer on SBA-15”, 8th International Symposium on Group 5 Elements, Malaga, Spain,2014年6月24-27日

    4. Yusuke Mabuchi, Toshiyuki Yokoi, Junko N. Kondo，“Preparation and Catalytic Performance of Colloidal Array of Ti-containing Zeolitic Silica Nanospheres”，214，NANOPOROUS MATERIALS – 7，Niagara Falls, Canada，June 22 - 25, 2014

    5. Junko N. Kondo, Hiroshi Yamazaki, Toshiyuki Yokoi, Takashi Tatsumi，“Apparent Intra‐Molecular H/D Exchange of Ethanol over H‐ZSM‐5” O‐B08，TOCAT 7, Kyoto TERRSA，Japan,6/1-6 2014

    2013（平成25年）

    1. ○Toshiyuki Yokoi, “CON-type Zeolite with High Catalytic Performance in the MTO Reaction”,O21, The 4th Asia-Oceania Conference on Green and Sustainable Chemistry (AOC-4 GSC), New Taipei City Hall, Taiwan,11/3-6 2013

    2. ○Takashi Tatsumi , “Lower Olefins Production Routes as Alternatives to Thermal Cracking of Naphtha”, Tue-S34-01 , The Sixth Asia-Pacific Congress on Catalysis (APCAT-6), Taipei International Convention Center (TICC), Taiwan , 10/13-17, 2013

    3. ○Toshiyuki Yokoi, Nozomu Hayashida, Junko N. Kondo, Takashi Tatsumi,“Organic Structure-Directing Agent Free Synthesis of CHA-Type Aluminosilicate Zeolite and Its Catalytic Application” ,Tue-S35-02 , The Sixth Asia-Pacific Congress on Catalysis (APCAT-6), Taipei International Convention Center (TICC), Taiwan , 10/13-17, 2013

    4. ○Ryoichi Otomo, Toshiyuki Yokoi, Junko N. Kondo, Takashi Tatsumi, “Aluminosilicate Beta Zeolites as Efficient Catalysts for Conversion of Saccharides into Furfurals”,Wed-S56-03 , The Sixth Asia-Pacific Congress on Catalysis (APCAT-6), Taipei International Convention Center (TICC), Taiwan , 10/13-17, 2013

    5. ○Toshiyuki Yokoi, H. Imai, N. Hayashida, J.N. Kondo, T. Tatsumi, “Direct crystallization of CHA-type aluminosilicate zeolite without using OSDA from amorphous aluminosilicate gel”, O-1.1-01, 17th International Zeolite Conference (17th IZC), Congress Center of the Izmailovo Complex, Moscow, Russia, 7/7-12 2013

    6. ○R. Otomo,T. Yokoi, J. Kondo, T. Tatsumi, “One-pot transformation of glucose to HMF over Beta zeolite catalysts”,YA09, The 14th Japan-Korea Symposium on Catalysis, Winc Aichi, Japan, 7/1-3 2013

    7. ○Toshiyuki Yokoi, Takashi Tatsumi and Masato Yoshioka, “Synthesis of CON-type Zeolites with Trivalent Heteroatoms and Their Catalytic Application for MTO Reaction”，23rd North American Catalysis Society, Galt House Hotel, Kentucky, America,6/2-7 2013

    8. Hiroshi Yamazaki, Toshiyuki Yokoi, Takashi Tatsumi, ○Junko N. Kondo，“FT-IR Study on the Mechanism of Methanol-to-Olefin Reaction”，ＯＢ-20，(ABC-7)7th International Symposium on Acid-Base Catalysis，TKP Garden City Shinagawa，Japan，5/12－15　2013

    2012（平成24年）

    1. ○Toshiyuki Yokoi ,“Synthesis of aluminosilicate-type zeolite catalyst under OSDA-free conditions”,SJ-NANO 2013,Tsukuba,Japan,march 5 /li>
    2. ○Yong Wang,“Catalytic Cracking of n-Hexane to Produce Propylene on MCM-22 Catalysts Dealuminated by Nitric Acid Treatment”,Session12, 2013 1st Euro-Asia Zeolite Conference, Macau, China, january 20-23, 2013, (口頭)

    3. Masato Yoshioka, Toshiyuki Yokoi, ○Takashi Tatsumi,“Effectiveness of the Structural Reversible Change of MWW Zeolite for Preparation of Highly Active Ti Zeolite Catalyst”,303, 2012 Ⅳ International Workshop On Layered Materials , Sao Paulo, Brazil, November 26-28, 2012, (口頭)

    4. ○Ryoichi Otomo, Toshiyuki Yokoi, Jnnko N. Kondo, and Takashi Tatsumi,“Preparation of Beta Zeolite Catalysts for Dehydration of Sugars”,410f, 2012 AIChE Annual Meeting, Pittsburgh, USA, October 28 – November 2, 2012, (口頭)

    5. ○Hiroyuki Imai, “Improvement of Zeolite Beta Synthesized by Seed-Assisted Method in Activity of Acid-Catalyzed Reactions”, ZMPC2012 (International Symposium on Zeolites and Microporous Crystals 2012), Aster Plaza, Hiroshima, Japan, 7/28-8/1, 2012.

    6. ○Toshiyuki Yokoi, Tatsuya Okubo, Takashi Tatsumi, “Preparation and application of colloidal array of silica nanospheres”, S2A44, IACIS2012 (International Association of Colloid and Interface Scientists 2012), Sendai, Japan, 5/13-18, 2012

    2011（平成23年）

    1. Toshiyuki Yokoi, Naoya Tamura, Hiroyuki Imai, Junko N. Kondo, Takashi Tatsumi “Catalytic conversion of glycerol into value-added chemicals over titanosilicate/H2O2 system”, 3rd Asia Oceania Conference on Green & Sustainable Chemistry, GSC-AON (2011), Melbourne, Australia, December 4-7, 2011.

    2. Ryoichi Otomo, Toshiyuki Yokoi, Hiroyuki Imai, Junko N. Kondo, Takashi Tatsumi ,“Dehydration of xylose to furfural over beta zeolite catalysts”, 3rd Asia-Oceania Conference on Green and Sustainable Chemistry, Melbourne, Australia, December 4 – 7, 2011, (口頭)

    3. Toshiyuki Yokoi, Ryota Watanabe, Takashi Tatsumi, “Colloidal array of silica nanospheres as template for fabricating three-dimensionally ordered metal oxides” AIChe 2011 Annual Meeting, Minneapolis, USA (October 20, 2011)

    4. Toshiyuki Yokoi, Naoya Tamura, Ryoichi Otomo, Hiroyuki Imai, Junko N. Kondo, Takashi Tatsumi, “Selective oxidation of glycerol over titanosilicate/H2O2 system”, 4th International Symposium on “Advanced Micro- and Mesoporous Materials”, Black sea coast, Bulgaria, September 6-9, 2011

    5. Toshiyuki Yokoi, Tingting Liu, Hiroyuki Imai, Junko N. Kondo, Takashi Tatsumi, “Trimethylsilylation of Ti-containing Mesoporous Silica Nanospheres as Oxidation Catalyst” , 6th International Symposium “Nanoporous Materials-VI”, Banff, Canada August 23, (2011)

    6. Toshiyuki Yokoi, Shun Mizuno, Hiroyuki Imai, Junko N. Kondo, Takashi Tasumi, “Synthesis of Al-containing interlayer-expanded-MWW zeolite with high catalytic performance under neutral conditions”, SC-O-22, International symposium on Federation of European Zeolite Associations (5th FEZA), Valencia, Spain, July 3-7, 2011 (July 5, 2011)

    7. ○J. Kondo, H. Yamazaki, H. Imai, T. Yokoi, T. Tatsumi, , “Evidence for “Carbene-like” Intermediate in the Reaction of Methoxy Species with Light Alkenes on H-ZSM-5”, FC-O-09, 5th International FEZA Conference, Valencia, Spain, 7/3-7, 2011.（国際, 口頭）

    8. Toshiyuki Yokoi, Ryota Watanabe, Junko N. Kondo, and Takashi Tatsumi, “Preparation and application of colloidal array of silica nanospheres”, 24aHeO03, The Fifth International Conference on the Science and Technology for Advanced Ceramics (STAC-5), Yokohama , Japan, June 22-24, 2011 (June 24, 2011).

    9. Hiroshi Mochizuki, Hiroyuki Imai, Toshiyuki Yokoi, Junko N. Kondo, Seitaro Namba, Takashi Tatsumi“Catalytic Cracking of Hexane over H-ZSM-5 Zeolite”，24aHeO02，Joint Conference of The Fifth International Conference on the Science and Technology for Advanced Ceramics (STAC5) and The 2nd International Conference on Advanced Materials Development and Integration of Novel Structured Metallic and Inorganic Materials (AMDI2)，Mielparque-Yokohama, Yokohama, Japan, 6/22-24, 2011.（国際，口頭)

    10. J. N. Kondo, H. Yamazaki, H. Shima, H. Imai, T. Yokoi, ○T. Tatsumi , “Evidence for “Carbene-like” Intermediate in the Reaction of Methoxy Species with Light Alkenes on H-ZSM-5”, OD25, 22nd North American Meeting, Detroit Marriott at the Renaissance Center, Detroit, 6/5-10, 2011.（国際, 口頭）

    11. Hiroyuki Imai，Hiroshi Yamazaki, Chao Man-Chien，Toshiyuki Yokoi, Junko N. Kondo, Takashi Tatsumi“Reaction Mechanism of Transformation of Methanol to Olefins over 8-membered ring Zeolite”，GO A-18，The 13th Korea-Japan Symposium on Catalysis, Jeju island, Republic of Korea, 5/23-25, 2011.（海外，口頭）

    12. Ryoichi Otomo, Takeshi Suzuki, Hiroyuki Imai, Toshiyuki Yokoi, Junko N. Kondo, Takashi Tatsumi ,“Improvement of beta zeolite catalysts for dehydration of xylose to furfural”, YO A-08，13th Korea-Japan Symposium on Catalysis, Seogwipo, Korea, 5/23-25、2011, (口頭)

    13. ○H. Yamazaki , H. Imai, T. Yokoi, T. Tatsumi, J. N. Kondo, “In-situ FT-IR observation of reaction of surface methoxy species on zeolite”, YO A-11, 13th Korea-Japan Symposium on Catalysis, Seogwipo KAL Hotel, Jeju, 5/23-25, 2011.（国際, 口頭）

    2010（平成22年）

    1. Toshiyuki Yokoi, Seigo Ohta, Ayako Mizukami, Junya Sakuma, Ryota Watanabe, Junko N. Kondo, Takashi Tatsumi, “Preparation of colloidal array of diverse metal oxides having three-dimensional mesopores via hard-template route”, 2010 International Chemical Congress of Pacific Basin Societies (Pacifichem 2010), December 15-20, 2010, Honolulu (December 17, 2010)

    2. Toshiyuki Yokoi, Naoya Tamura, Ryoichi Ohtomo, Hiroyuki Imai, Junko N. Kondo, Takashi Tatsumi, “ Selective oxidation of glycerol over titanoslicate / H2O2 system”, 2010 International Chemical Congress of Pacific Basin Societies (Pacifichem 2010), December 15-20, 2010, Honolulu (December 17, 2010)

    3. ○Hiroyuki Imai , Toshiyuki Yokoi, Junko N. Kondo, Takashi Tatsumi，“Influence of Regeneration on Catalytic Activity in Methanol-to-Olefins (MTO) reaction over CHA-type zeolite”，295，PACIFICHEM2010 -the International Chemical Congress Pacific Basin Societies, Honolulu, Hawaii, 12/15-20, 2010.（海外，口頭）

    4. ○Hiroyuki Imai ，Jacques Plévert，Toshiyuki Yokoi, Junko N. Kondo, Takashi Tatsumi， “Interlayer Expansion of Ferrierite Lamellar Precursor with Alkylsilicon Compounds”，O106，IZC16/IMMS7 -16th International Zeolite Conference joint with the 7th International Mesostructured Materials Symposium, Sorrent, Italy, 7/4-9 (7), 2010.（海外，口頭）

    5. ○Hiroyuki Imai , Ayano Otuka, Toshiyuki Yokoi, Junko N. Kondo, Takashi Tatsumi，“Methanol-to-Olefins (MTO) reaction over AFI-type zeolites synthesized with various types of organic compounds”，O-B24、TOCAT6/APCAT5 -the 6th Tokyo Conference on Advanced Catalytic Science and Technology and the 5th Asia Pacific Congress on Catalysis, Sapporo Convention Center, Sapporo, 7/18-23, 2010.（国内，口頭）

    6. Toshiyuki. Yokoi, Takumi Karouji, Junko N. Kondo, Takashi Tatsumi, “Synthesis of discrete Ti-containing mesoporous silica nanospheres and their catalytic application”, Sixth Tokyo Conference on Advanced catalytic Science and Technology (TOCAT6) & Fifth Asia pacific Congress on Catalysis (APCAT6), O-C25, July 23-28, 2010, Sapporo (July 22).

    2009（平成21年）

    1. ○A. Otsuka, H. Imai, T. Yokoi, J. N. Kondo, T. Tatsumi, “Production of Light Olefins from Methanol over Various 8-Membered Ring Zeolites”, YO-21, The 12th Japan-Korea Symposium on Catalysis, 秋田キャッスルホテル，秋田，10/14-16, 2009.（国際，口頭）

    2. ○R. Watanabe, E. Kobayashi, T. Yokoi, T. Tatsumi, "Synthesis of Well-Ordered Monodisperse Hollow ZrO2 Nanospheres",oral, The 12th Japan-Korea Symposium on Catalysis, Akita, October 14-16, 2009. （国際，口頭）

    3. ○D. Masih, A. Otsuka, H. Imai, T. Yokoi, J. N. Kondo, T. Tatsumi, “Methanol-to- olefins over small-pore zeolites”, GO-18, The 12th Japan-Korea Symposium on Catalysis, 秋田キャッスルホテル，秋田，10/14-16, 2009.（国際，口頭）

    4. ○T. Yokoi , G. Kiyokawa, H. Imai, J. N. Kondo, T. Tatsumi, “Structural and Catalytic Properties of TS-1 Synthesized with Basic Amino Acids”, The 12th Japan-Korea Symposium on Catalysis, 秋田キャッスルホテル，秋田，10/14-16, 2009.（国際，口頭）

    5. ○Ryoichi Otomo , Takeshi Suzuki, Hiroyuki Imai, Toshiyuki Yokoi, Junko Nomura, Takashi Tatsumi, “Dehydration of xylose over mesoporous aluminosilicates”YO-19、The 12th Japan-Korea Symposium on Catalysis、秋田キャッスルホテル、秋田、10/14-16、2009、(国際、口頭)

    6. Ryoichi Otomo, Toshiyuki Yokoi, Takeshi Suzuki, Hiroyuki Imai, Junko Nomura, Takashi Tatsumi, “Dehydration of xylose over functionalized mesoporous silica catalysts” Joint Conference of The 4th International Conference on Green and Sustainable Chemistry(GSC-4) & the 2nd Asian-Oceanian Conference on Green and Sustainable Chemistry (AOC-2)., Peking, China, Aug. 21-23, 2009 (国際、口頭)

    7. T. Yokoi, M. Yoshioka, H. Imai, T. Tatsumi, "Organic-Template-Free Synthesis of RTH-type zeolites with Trivalent Heteroatoms", oral, International Symposium on Zeolites and Microporous Crystals (ZMPC), Tokyo, Japan, August 3-7, 2009.

    8. ○J. Plevert, T. Tatsumi , "Room Temperature Modification of the Stacking of RUB-15-Type Layers", oral, International Symposium on Zeolites and Microporous Crystals (ZMPC), Tokyo, Japan, August 3-7, 2009.

    9. Toshiyuki Yokoi,“Preparation of Mesoporous Silica by Assembling Monodisperse Silica Nanospheres with Regularity” , Pre-symposium of ZMPC2009、1-3 August, 2009, Yamanashi, Japan

    10. ○Hiroyuki Imai , Toshiyuki Yokoi, Junko N. Kondo, Takashi Tatsumi，“Synthesis of MWW-type Zeolite Containing Aluminum in the Absence of Alkali Cations”，OA-1-7，ZMPC-2009 -the International Symposium on Zeolites and Microporous Crystals, Waseda Univ., Tokyo, 8/3-7, 2009.

    2008（平成20年）

    1. T. Tatsumi, “Synthesis of Chiral Mesoporous Silica and its Potential Application to Asymmetric Separation”, 369-FUN3, Canada, 10/19-22, 2008

    2. T. Yokoi, J. Wakabayashi, Y. Otsuka, W. Fan, M. Iwama, R. Watanabe K. Aramaki, T. Okubo, T. Tatsumi, "Formation Mechanism of Well-Ordered Silica Nanospheres Assisted by Basic Amino Acids", 14th International catalysis comferance, Seoul, July 13-18, 2008.

    3. Junko. N. Kondo, ICC-Pre

    4. TOSHIYUKI YOKOI , RYOTA WATANABE, SEIGO OHTA, JUNKO. N. KONDO, TAKASHI TATSUMI, and TATSUYA OKUBO,PREPARATION OF THREE-DIMENSIONALLY INTERCONNECTED ORDERED MESOPOROUS CARBONS BY USING NOVEL SILICA NANOSPHERES AS TEMPLATE Nanoporous Materials Ⅴ, Vancouver, Canada, May 25-28, 2008

    5. Takashi Tatsumi, ACS

    6. Takashi Tatsumi, ACS

    7. Toshiyuki Yokoi, ACS

    8. Yoshihiro Kubota, ACS

    2007（平成19年）

    1. T. Yokoi, M. Iwama, R. Watanabe, Y. Sakamoto, O. Terasaki, Y. Kubota, J. N. Kondo, T. Okubo, T. Tatsumi, “Synthesis of well-ordered nanospheres with uniform mesopores assisted by basic amino acids”, Oral presentation, O-10-4, 15th International Zeolite conference, Beijing, China August 12-17, 2007.

    2006（平成18年）

    1. Takashi Tatsumi, Mikio Hayashi, "Baeyer-Villiger Oxidation with Hydrogen Peroxide over Zeolite Catalysts", 2006 AIChE Annual Meeting, 476at, San Farncisco Hilton, Novenver 12-17, 2006.

    2. ○T. Yokoi , M. Iwama, T. Okubo, Y. Sakamoto, O. Terasaki, Y. Kubota, T. Tatsumi, "Synthesis of silica nanospheres with well-ordered mesopores assisted by amino acids", Abstracts, 5th International Mesostructured Materials Symposium (5th IMMS), pp.42-43. (Oral; August 5-7 2006, Shanghai) (August 6)

    3. ○T. Yokoi, Y. Yamataka, Y. Ara, Y. Kubota, T. Tatsumi, "Synthesis of chiral mesoporous silica by using designed chiral anionic surfactant", Book of Abstracts (& CD), International Symposium on Zeolites and Microporous Crystals (ZMPC2006), p.62. (OB211; July 31-August 2, 2006, Yonago) (August 1)

    4. P. Wu, J. Ruan, L. Wang, L. Wu, Y. Wang, Y. Liu, S. Inagaki, M. Hayashi, W. Fan, M. He, O. Terasaki, T. Tatsumi, "Constructing New Zeolite Structures Through Molecular Alkoxysilylation of Lamellar Precursors", Book of Abstracts (& CD), International Symposium on Zeolites and Microporous Crystals (ZMPC2006), p.67. (OB213; July 31-August 2, 2006, Yonago) (August 1)

    5. ○Y. Kubota , H. Maekawa, S. Miyata, T. Tatsumi, Y. Sugi, "Hydrothermal synthesis of metallosilicate SSZ-24 from metallosilicate beta as precursors", Book of Abstracts (& CD), International Symposium on Zeolites and Microporous Crystals (ZMPC2006), p.63. (OB306; July 31-August 2, 2006, Yonago) (August 2)

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