HITACHI OFFICE
Chief Executive/Patner
Yukito Koiwa
1) IP Division
Patent Attorney Takayuki Horita
Patent Attorney Yayoi Ogi
Technical Staffs
Takashi Sato Tatsuya Sato Yukimasa Sato
Hashime Nagai Katsumi Nomura Tatsuo Hayashi
Tadayuki Hoshi Takayuki Munemoto
Masamichi Yoshida Yoshihito Watabe Shoichi Takahashi
2) Search Division
Division Manager Naonobu Tsutsumi
Manager Shunji Inada
Adviser Hidetoshi Aizawa
Patent Attorney, Searcher Atsuko Takafuji
Technical Staffs
Masaru Shimada Harumi Uchigasaki Yoshiyuki Okuyama
Noboru Ohtsuka Hiroshi Takenaga Mamoru Mizumoto
Masayuki Taniguchi Hidetoshi Kobayashi Yutaka Watahiki
Shuroku Sakurada Koichi Nishimoto Kiyoshi Horibe
Kazuhiko Kanetoshi Yutaka Kawai Shoichi Kotoku
Akihiro Hiruta Toru Takei Yoshitomo Sawahata
Katsunori Nishimura Koki Yamamoto
Power & Energy Systems, Social& Industrial Infrastructure, Material & Components, Automotive systems, Semiconductors, Consumer Products, Computer/Communication, Battery, New Solution Business with IoT technologies.
TOKYO OFFICE(YOKOHAMA OFFICE)
Chairman
Yasuo Sakuta
Chief Executive/Partner
Hiroshi Asamitsu
1) IP Division
Patent Attorney Koichi Nakano
Patent Attorney Katsuyoshi Tamura
Patent Attorney Eiichi Ogura（YOKOHAMA OFFICE）
Patent Attorney Kyoji Mizuno（YOKOHAMA OFFICE）
Technical Staffs
Tomohiro Sato Hisato Tsuruta Wataru Nakayama
Masahiro Yasuoka Ichiro Miura
Tsuneo Ogawa（YOKOHAMA OFFICE）
Shigeru Tanaka（YOKOHAMA OFFICE）
Design
Yoshiaki Yamagata
2) Search Division
Division Manager Naonobu Tsutsumi
Manaeger Koichi Otsuka
Adviser Kensei Hayakawa
Patent Attorney, Searcher Atsuko Takafuji
Technical Staffs(Searcher)
Kazuyuki Sasaki Masatomo Terakado
Technical Staffs(in YOKOHAMA)
Shoiciro Funato Takeshi Koide Kazuhiko Matsumoto
Seiji Nagai Akihiro Yamamoto Kenji Fujikata
Katsuo Uda Kazuo Obata Takanori Hisada
Tatsuji Sakamoto
Design Toshiharu Watanabe
Electronic Systems, Healthcare, Automotive systems, Display, Semiconductor manufacturing equipment, Consumer Products, New Solution Business with IoT technologies, Design
Patent Attorneys
HITACHI OFFICE
Yukito Koiwa (Chief Executive)
Power Systems,Material & Components, Social & Industrial Infrastructure
Ichinoseki Technical College, Mechanical Engineering (1981)
Hitachi, Ltd. IPG (1981-2011)
Takayuki Horita
Social & Industrial Infrastructure,Automotive systems,Consumer Products
Kanazawa Univ. Mechanical System Engineering (1996)
Kanazawa Univ .Mechanical System Engineering , Master Course (1998)
Hitachi, Ltd. IPG (1998-2016)
Yayoi Ogi
Material & Components, Social & Industrial Infrastructure,Battery,
Meiji Univ. Applied Chemistry (2004)
Meiji Univ. Industrial Chemistry, Master Course (2006)
She has working experience in the company’s research laboratory on semiconductor (2006-2009)
Atsuko Takafuji
Electronic Devices and System
B.S. Engineering Physics, The University of Electro-Communications (1987)
M.S. Engineering Physics, The University of Electro-Communications (1989)
Hitachi, Ltd. Central Research Lab. （1989-2004）
Hitachi High-Technologies Corp.（2004-2006）、
Hitachi Techno-Information Services, Ltd.（2006-2019）
TOKYO OFFICE
Yasuo Sakuta (Chairman)
Nihon Univ. College of Law (1968)
Nihon Univ. Electronic Engineering (1972)
Hitachi, Ltd. IPG (1972-2006)
Hiroshi Asamitsu (Chief Executive)
Electronic Systems, Healthcare
The Univ. of Tokyo, Pure and Applied Sciences 2 (1991)
The Univ. of Tokyo, Multi-Disciplinary Sciences, Master Course (1993)
Hitachi, Ltd. IPG (1993-2016)
Koichi Nakano
Semiconductors /Displays
Osaka Univ.Electric Engineering (1977)
Osaka Univ .Electrical Engineering , Master Course (1979)
Hitachi, Ltd. Semiconductor Div. MCU Design (1979-1989)
Hitachi, Ltd. IPG (1989-2003)
Renesas Electronics Co. (2003-2012)
Katsuyoshi Tamura
Semiconductors /Displays
Musashi Institute of Technology Electrical Engineering (1970)
Ibaraki Univ. Electronic Engineering ､Master Course (1972)
The University of Michigan, Elecrical Engineering (1979)
Hitachi, Ltd. Mobara Works Braun tube Design (1972-1988)
Hitachi, Ltd. IPG (1988-2006)
Eiichi Ogura（YOKOHAMA OFFICE）
Electronic Systems,Healthcare
Kanazawa Univ. Electronic Engineering (1972)
Hitachi, Ltd. IPG (1972-2006)
Kyoji Mizuno（YOKOHAMA OFFICE）
Electronic Systems,Healthcare
Consumer Products,Social & Industrial Infrastructure,Automotive systems,
Waseda Univ. Electronic Engineering (1972)
Hitachi, Ltd. IPG (1999-2019)
Manabu Inoue (Of-Counsel)
Consultation on patent matter, Opinion work
Representing client in patent litigation, patent trial, opposition
He was department manager, division manager, Chief IP Counsel in Hitachi,Ltd. IP Group.
Professional at constructing offensive patent portfolio and patent offensive / defensive
