Members

Attorney at law

  • Katsunari Gotoh
    Attorney at law
    Managing Partner CEO
    Founder

    1993 passed the bar examination
    1994 graduated from The University of Tokyo (LL.B.)
    entered Andersen Consulting (currently, Accenture)
    (Strategic Services Group)
    1996 entered Legal Training and Research Institute of the Supreme Court of Japan
    1998 entered Nagashima Ohno (currently, Nagashima Ohno & Tsunematsu)
    2001 established AZX Professionals Group
    2001- assumed office as managing partner and CEO of AZX Professionals Group

  • Kenji Hayashi
    Attorney at law, Patent Attorney
    Partner, Founder

    1994 passed the bar examination
    1995 graduated from The University of Tokyo (LL.B.)
    entered Legal Training and Research Institute of the Supreme Court of Japan
    1997 Attorney registration
    2001 established AZX Professionals Group
    2001- assumed office as partner of AZX Professionals Group

  • Miki Amemiya
    Attorney at law
    Partner

    1997 entered Ritsumeikan University Law School by an accelerated class
    1999 graduated from Ritsumeikan University School of Law(LL.M.)
    passed the bar examination
    2000 entered Legal Training and Research Institute of the Supreme Court of Japan
    2001 entered a venture company as in-house lawyer
    2002 entered AZX Professionals Group
    2008 assumed office as partner of AZX Professionals Group

  • Minoru Sugawara
    Attorney at law
    Managing Partner COO

    2009 graduated from Tohoku University (LL.B)
    2011 graduated from Hitotsubashi University Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2013 entered AZX Professionals Group
    2018 assumed office as partner of AZX Professionals Group
    2019 assumed office as managing partner and COO of AZX Professionals Group
    2020- assumed office as specially appointed professor at Tohoku University

  • Nobuhiro Ikeda
    Attorney at law
    Partner

    2002 graduated from Keio University(LL.B)
    2004 passed the bar examination
    2005 entered Legal Training and Research Institute of the Supreme Court of Japan
    2006 entered Paul Hastings Law Office
    2009 entered AZX Professionals Group
    2014 assumed office as partner of AZX Professionals Group

  • Yuichiro Masubuchi
    Attorney at law
    Partner

    1997 graduated from The University of Tokyo (LL.B.)
    2002 passed the bar examination
    2003 entered Legal Training and Research Institute of the Supreme Court of Japan
    2004 entered Nagawa – Okamura Law Firm
    2009 entered AZX Professionals Group
    2012 assumed office as partner of AZX Professionals Group

  • Kenichi Hamamoto
    Attorney at law
    Partner

    2006 graduated from Waseda University (LL.B)
    2009 graduated from Waseda Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2011 entered AZX Professionals Group
    2017 assumed office as partner of AZX Professionals Group

  • Shunsuke Watanabe
    Attorney at law
    Partner

    2007 graduated from Rikkyo University (LL.B)
    2009 graduated from Keio Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2011 entered Clifford Chance Law Office
    2014 entered AZX Professionals Group
    2018 assumed office as partner of AZX Professionals Group
    2020- assumed office as auditor for Reborna Bioscience Co., Ltd.
    2020- assumed office as director for zetton Inc.
    2023- assumed office as auditor for FRAIM Inc.
    2023- assumed office as auditor for 47 Holdings Inc.

  • Tatsuya Kotaka
    Attorney at law
    Partner

    2009 graduated from Keio University (LL.B)
    2011 graduated from Keio Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2013 entered the Law Firm which deals with company legal affairs
    2014 entered AZX Professionals Group
    2018 assumed office as partner of AZX Professionals Group

  • Tomohiro Takahashi
    Attorney at law
    Partner

    2004 graduated from The University of Tokyo (B.A. in Literature)
    entered The Asahi Shimbun Company
    2008 graduated from The University of Tokyo Graduate Schools for Law and Politics (J.D.)
    2009 passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2011 entered Kirin Brewery Company as in-house lawyer
    2014 entered AZX Professionals Group
    2019 assumed office as partner of AZX Professionals Group

  • Gaku Ishida
    Attorney at law
    Partner

    2007 graduated from Waseda University (LL.B)
    2009 graduated from Kobe Law School (J.D.)
    passed the bar examination
    2010 entered Legal Training and Research Institute of the Supreme Court of Japan
    2012 entered Nippon Export and Investment Insurance (NEXI) as in-house lawyer
    2014 entered Tsuyoshi Dai Law Office
    2015 entered AZX Professionals Group
    2019 assumed office as partner of AZX Professionals Group

  • Kosuke Hirai
    Attorney at law

    2012 graduated from Chuo University (LL.B)
    2014 graduated from Keio Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2016 entered AZX Professionals Group
    2022 assumed office as partner of AZX Professionals Group

  • Hayato Yokota
    Attorney at law

    2012 graduated from Nihon University (LL.B)
    2014 graduated from Keio Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2016 entered Marunouchi-Minami Law Office
    2017 entered AZX Professionals Group
    2023 assumed office as partner of AZX Professionals Group

  • Ryota Kaihara
    Attorney at law

    2008 graduated from Toin University of Yokohama (LL.B) by early graduation
    2011 graduated from Toin Law School (J.D.)
    2013 passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2015 entered Japan Business Systems, Inc. as in-house lawyer
    2018 entered AZX Professionals Group

  • Takayori Aoki
    Attorney at law

    2006 graduated from Keio University (BEc)
    2009 graduated from Hitotsubashi University Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2011 entered Tokiwa Law Office
    2015 entered Regional Economy Vitalization Corporation of Japan（REVIC）
    2017 entered AZX Professionals Group

  • Tomoki Ito
    Attorney at law

    2011 graduated from The University of Tokyo (B.S. in Agriculture)
    2015 graduated from The University of Tokyo Graduate Schools for Law and Politics (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2018 entered AZX Professionals Group

  • Yusuke Ozawa
    Attorney at law

    2014 graduated from Meiji University (LL.B) by early graduation
    2016 graduated from Waseda Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2018 entered AZX Professionals Group

  • Ryuji Gau
    Attorney at law

    2011 graduated from The University of Tokyo (LL.B.)
    2015 graduated from The University of Tokyo Graduate Schools for Law and Politics (J.D.)
    2016 passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2018 entered AZX Professionals Group
    2022 Deputy Director, Digital Agency (Secretariat of Digital Extraordinary Administrative Advisory Committee) (2022.11 – 2024.3)

  • Yusaku Sugiyama
    Attorney at law

    2014 graduated from Chuo University (LL.B)
    2016 graduated from Chuo Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2018 entered AZX Professionals Group

  • Takashi Kobayashi
    Attorney at law

    2015 graduated from Hitotsubashi University (LL.B)
    entered Sophia Law School (J.D.)
    2016 passed the bar examination
    dropped out of Sophia Law School (J.D.)
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2017 entered Kaede Law Office
    2018 entered AZX Professionals Group

  • Yuya Hara
    Attorney at law

    2014 graduated from Seikei University (LL.B)
    2016 graduated from Chuo Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2019 entered AZX Professionals Group

  • Kikkawa, Yasuhiro
    Attorney at law

    2014

    graduated from Chuo University (LL.B)
    2016

    graduated from Chuo University Law School (J.D.)
    2017 passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2019 entered Nakamura Law Offices
    2021 entered AZX Professionals Group

  • Haruka Tojima
    Attorney at law

    2016 graduated from Hitotsubashi University (LL.B)
    2018 graduated from Hitotsubashi University Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2020 entered AZX Professionals Group

  • Masayuki Yamashita
    Attorney at law

    2016 graduated from Keio University (LL.B)
    2018 graduated from Chuo University Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2020 entered AZX Professionals Group

  • Shigehiro Kawase
    Attorney at law

    2015 graduated from Hitotsubashi University (LL.B.)
    entered TOSHIBA CORPORATION
    2017 passed the bar preliminary examination
    2018 passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2020 entered INTEX LAW AND PATENT OFFICES
    2024 entered AZX Professionals Group

  • Akiba, Daiki
    Attorney at law

    2017

    dropped out of The University of hiroshima University
    entered Kyoto University Law School by an accelerated class
    2019

    graduated from Kyoto University Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2021 entered AZX Professionals Group

  • Kozuka, Natsumi
    Attorney at law

    2017

    graduated from Hitotsubashi University (LL.B)
    2019

    graduated from Hitotsubashi University Law School (J.D.)

    passed the bar examination

    entered Legal Training and Research Institute of the Supreme Court of Japan
    2021 entered AZX Professionals Group

  • Satoh, Hinata
    Attorney at law

    2018

    graduated from The University of Tokyo (LL.B.)
    2019

    passed the bar examination
    dropped out of The University of Tokyo Graduate Schools for Law and Politics (J.D.)
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2021 entered AZX Professionals Group

  • Tsuruma, Riku
    Attorney at law

    2017

    graduated from Chuo University (LL.B)
    2019

    graduated from Hitotsubashi University Law School (J.D.)

    passed the bar examination

    entered Legal Training and Research Institute of the Supreme Court of Japan
    2021 entered AZX Professionals Group

  • Yanagisawa, Yuho
    Attorney at law

    2016

    graduated from Chuo University (LL.B)
    2018

    graduated from Waseda Law School (J.D.)
    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2021 entered AZX Professionals Group

  • Tsuchiya,Tomo
    Attorney at law

    2019

    graduated from Chiba University (LL.B)
    2020

    passed the bar preliminary examination dropped out of Kobe University Law School (J.D.)
    2021

    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2022 entered AZX Professionals Group

  • Fujiwara,Shohei
    Attorney at law

  • Miyagi,Kota
    Attorney at law

    2018

    graduated from Hitotsubashi University (LL.B)
    2020

    graduated from Hitotsubashi University Law School (J.D.)
    2021

    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2022 entered AZX Professionals Group

  • Yamada,Kenichi
    Attorney at law

    2018

    graduated from Ritsumeikan University (LL.B)
    2020

    graduated from kyoto University Law School (J.D.)
    2021

    passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2022 entered AZX Professionals Group

  • Katsumata,Hiroki
    Attorney at law

    2019

    passed the bar preliminary examination
    2020

    graduated from Meiji University (LL.B)
    2021 passed the bar examination
    entered Legal Training and Research Institute of the Supreme Court of Japan
    2022 entered AZX Professionals Group

  • Sogabe,Keisuke
    Attorney at law

    2019

    graduated from Waseda University (LL.B)
    2020

    passed the bar preliminary examination
    2021

    graduated from Waseda University Law School (J.D.)

    passed the bar examination

    entered Legal Training and Research Institute of the Supreme Court of Japan
    2023 entered AZX Professionals Group

  • Asahina, Taisei
    Attorney at law

    2020

    graduated from Waseda University (LL.B)
    2021

    passed the bar preliminary examination
    2022

    graduated from Waseda University Law School (J.D.)

    passed the bar examination

    entered Legal Training and Research Institute of the Supreme Court of Japan
    2024 entered AZX Professionals Group

  • Inoue, Ryosuke
    Attorney at law

    2020

    graduated from Meiji University (LL.B)
    2021

    passed the bar preliminary examination
    2022

    graduated from Hitotsubashi University Law School (J.D.)

    passed the bar examination

    entered Legal Training and Research Institute of the Supreme Court of Japan
    2024 entered AZX Professionals Group

  • Okuma, Sakuya
    Attorney at law

    2020

    graduated from Chuo University (LL.B)
    2022

    graduated from Keio University Law School

    passed the bar examination

    entered Legal Training and Research Institute of the Supreme Court of Japan
    2024 entered AZX Professionals Group

  • Tamura,Reina
    Attorney at law

    2020

    graduated from Meiji University (LL.B)
    2022

    graduated from Waseda University Law School (J.D.)

    passed the bar examination

    entered Legal Training and Research Institute of the Supreme Court of Japan
    2024 entered AZX Professionals Group

  • Hara,Emiko
    Attorney at law

    2020

    graduated from The University of Tokyo (LL.B.)
    2022

    graduated from The University of Tokyo Graduate Schools for Law and Politics (J.D.)passed the bar examination

    entered Legal Training and Research Institute of the Supreme Court of Japan
    2024 entered AZX Professionals Group

  • Homma,Kotone
    Attorney at law

    2020

    graduated from Meiji University(LL.B.)
    2022

    graduated from Hitotsubashi University Graduate Schools for Law and Politics (J.D.)passed the bar examination

    entered Legal Training and Research Institute of the Supreme Court of Japan
    2024 entered AZX Professionals Group
  • Attorney at law

    2020

    graduated from Shizuoka University Faculty of Humanities and Social Sciences
    2021

    passed the bar preliminary examination
    2022

    graduated from Chuo Law School (J.D.)passed the bar examination

    entered Legal Training and Research Institute of the Supreme Court of Japan
    2024 entered AZX Professionals Group

  • Satoh,Yuri
    Attorney at law

    2015

    graduated from International Christian University (BA)
    2016

    entered F-TECH INC.
    2021

    graduated from the University of Tokyo Graduate Schools for Law and Politics (J.D.)
    2022

    passed the bar examination

    entered Legal Training and Research Institute of the Supreme Court of Japan
    2023 entered Koufuu Law Office
    2024 entered AZX Professionals Group

Tax Attorney

  • Kazuhiro Sase
    Tax Attorney
    Partner

    2002 graduated from Sophia University (BEc)
    2003 entered Nakamura Accounting Office
    2007 entered KPMG Tax corporation
    2010 entered AZX Professionals Group
    2011 registered as a Tax Attorney
    2018 assumed office as partner of AZX Professionals Group

  • Rika Imase
    Tax Attorney

    1993 graduated from Doshisha University (BEc)
    entered major venture capital company
    2001 entered Arthur Andersen LLP, JAPAN (currenty, KPMG Tax corporation)
    registered as a Tax Attorney
    2003 entered AZX Professionals Group

  • Naoki Yogo
    Tax Attorney

    2003 graduated from Tokyo University of Science
    entered Tokyo Construction Company
    2006 entered Kunori Accounting Office
    2008 entered Akito Sawa and Masamitsu Kurebayashi Certified Public Accountants and Tax Accountants Office
    2018 entered AZX Professionals Group
    2020 registered as a Tax Attorney

  • Hirotada Matsumoto
    Tax Attorney

    2016 entered Yoshimi Nakamura Tax Accountant Office
    2018 registered as a Tax Attorney
    2019 entered Atsuhiko Matsumoto Tax Accountant Office
    2021 entered AZX Professionals Group

  • <p>Hosei Kosaka<br />
    Tax Attorney</p>

    2019

    passed the Certified Public Accountant examination
    2020 entered Deloitte Touche Tohmatsu (DTT)
    2023 entered AZX Professionals Group
    2024 registered as a Tax Attorney

Patent Lawyer

  • Kazuyuki Tachibana
    Patent Lawyer

    1991 graduated from Kanazawa University (BE)
    entered dB-SOFT Inc.
    1992 entered Kokubun International Patents & Trademarks
    1994 registered as a patent lawyer
    2000 established Tachibana International Patent Office
    (renamed Itto International Patent office in 2007)
    2001 entered AZX Professionals Group

  • Yoshihiko Tsukada
    Patent Lawyer

    1993 graduated from Tokai University
    entered music office
    1998 entered computer architecture & development company
    2011 entered Shibaura Institute of Technology( in charge of contract practical business)
    2013 entered Toranomon Intellectual Property Office
    registered as a patent lawyer
    2015 entered AZX Professionals Group

  • Yusuke Furuno
    Patent Lawyer

    2003 graduated from Kyoto University
    entered Daiwa Institute of Research Ltd.
    2006 entered KUSHIBUCHI&ASSOCIATES
    2013 registered as a patent lawyer
    2017 entered AZX Professionals Group

Labor & Social Insurance Consultant

  • Akiko Okada
    Labor&Social Insurance Consultant

    1997 graduated from Osaka University (BhSc)
    entered major gas company
    2000 registered as a Social Insurance Consultant
    2000 entered Yodogawa Labor Management Society
    2003 entered AZX Professionals Group

  • Yoko Tamura
    Labor&Social Insurance Consultant

    1996 graduated from Doshisha University (LL.B)
    entered Kansai Economic Federation
    2003 registered as a Social Insurance Consultant
    2012 entered financial institution (HR) located in Tokyo
    2015 entered Certified Social Insurance and Labor Consultant Office located in Tokyo
    2016 entered AZX Professionals Group

  • Rieko Komuro
    Labor&Social Insurance Consultant

    1994 graduated from Chuo University (B.A. in Literature)
    1996 entered Japan Federation of Labor and Social Security Attorney’s Associations
    2010 entered entered Certified Social Insurance and Labor Consultant Office located in Tokyo
    2012 registered as a Social Insurance Consultant
    2016 entered AZX Professionals Group

Certified Public Accountant

  • Satoshi Yamamoto
    Certified Public Accountant

    2000 graduated from Sophia University(BEc)
    2003 entered KPMG AZSA LLC.
    2004 registered as a Certified Public Accountant
    established Yamamoto CPA Firm
    2005 entered PricewaterhouseCoopers Co., Ltd.
    2010 established STREAM Tax Accountant Corporation
    *He is not an internal personnel. He supports AZX mainly for accounting matters.

  • Jun Hozumi
    Certified Public Accountant

    2000 graduated from Ritsumeikan University(BEc)
    2004 entered Deloitte Touche Tohmatsu LLC
    2007 entered Ligaya Partners Inc.
    2009 registered as a Certified Public Accountant
    established Houzumi CPA Firm
    2010 established STREAM Tax Accountant Corporation
    *He is not an internal personnel. He supports AZX mainly for accounting matters.

  • Takashi Wada
    Certified Public Accoun

    1990 graduated from Keio University (BEc)
    1992 assumed Bookkeeping instructor for O-Hara bookkeeping school
    registered as a Junior Certified Public Accountant
    1993 entered Chuo audit corporation
    1996 registered as a Certified Public Accountant
    2000 entered major securities company
    2003 established Wada Certified Public Accountant Office
    participated in AZX Professionals Group
    *He is not an internal personnel. He supports AZX mainly for IPO related matters.