- President / Patent Attorney Hiroshi Arafune
(Authorized to represent in specific infringement litigations)
- Expertise & experience
-
Electronic devices / Amusement machine / Auto parts / Machinery / Motorcycle / Toys（electronic robots, educational equipments, game console, toy trains, travelling toys, etc.） / Construction and civil engineering / Other mechatronics / Designs and trademarks (all professional practice including research and legal advice)
- Educational background
-
Faculty of Engineering, Department of Mechanical Engineering, Saitama University
- Vice-president / Patent Attorney Yoshio Arafune
- Expertise & experience
-
Electronic devices / semiconductor production equipment / Machinery / Optical equipment / Toys（electronic robots, educational equipments, game console, toy trains, travelling toys, etc.） / Copy machine / Designs and trademarks (all professional practice including research and legal advice)
- Educational background
-
Faculty of Engineering, Department of Mechanical Engineering, Saitama University
- Vice-president / Patent Attorney Tomio Obinata
- Expertise & experience
-
Electronic circuit / Semiconductive device / Information processing / Telecommunication equipments / Electronic control system / Game console / LCD equipments / Semiconductor production equipments / Automotive / Motorcycle / Mechatronic
- Educational background
-
Faculty of Engineering, Department of Mechanical Engineering, Saitama University
- Partner Patent Attorney Kazuhira Watanabe
(Authorized to represent in specific infringement litigations)
- Expertise & experience
-
Chemical Engineering Process / Chemical Equipment / Inorganic Materials / Organic Materials / Foreign Patents / Litigation Appraisal / Consulting services
- Educational background
-
Nagoya University Faculty of Engineering Chemical Engineering
- Patent Attorney Takashi Akazawa
- Expertise & experience
-
Machinery / Amusement machine / Metal material / Construction and civil engineering / Information processing
- Educational background
-
Industrial Engineering, Faculty of Engineering, Graduate School of Yokohama National University
- Patent Attorney Tatsuharu Inaba
(Authorized to represent in specific infringement litigations)
- Expertise & experience
-
Machinery（Optical / magnet recording, operating machines, hydraulic, image-forming, medical appliance, Semiconductor manufacturing）
- Educational background
-
Graduate School of Engineering, Meiji University
- Patent Attorney Kanako Boda
- Expertise & experience
-
Chemistry / Machinery / Construction and civil engineering / Electricity / Information processing
- Educational background
-
Department of Chemistry, Faculty of Science and Technology, Sophia University
- Patent Attorney Minori Uchida
- Expertise & experience
-
Electricity / Telecommunications / Information processing / Design / Trademarks
- Educational background
-
Department of Physics, Graduate School of Science, Ochanomizu University
- Patent Attorney Masako Okada
(Authorized to represent in specific infringement litigations)
- Expertise & experience
-
Machinery / Design / Trademarks
- Educational background
-
Department of Law, Faculty of Law, Keio University
- Patent Attorney Kimika Anzai
- Expertise & experience
-
Electricity / Telecommunications / Information processing
- Educational background
-
Department of French Studies, Tokyo University of Foreign Studies
Faculty of Engineering Division II, Department of Electrical Engineering, Tokyo University of Science
- Patent Attorney Yoshihiro Asano(Ph.D.)
- Expertise & experience
-
Electromagnetic, Telecommunication, and Network technologies/ Information processing, Data processing / Control engineering, Software and Measurement / Electrical device, Electronic device and Semi-conductor
- Educational background
-
Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo
- Patent Attorney Masatoshi Yoshizaki
- Expertise & experience
-
Machinery
- Educational background
-
Department of Mechanical Engineering, Faculty of Science and Technology, Sophia University
- Patent Attorney Hiroyuki Kobayashi
- Expertise & experience
-
Display Device / Optical / Semiconductor / Machinery
- Educational background
-
Department of Physics, Faculty of Science and Technology, Keio University
- Patent Attorney Yuji Matsumoto
- Expertise & experience
-
Electron・Electricity / Mechanism / Optical / Telecommunication
- Educational background
-
Department of Physics, Faculty of Science, Saitama University
- Patent Attorney Kohei Akiyoshi
- Expertise & experience
-
Foreign Patents / Machinery / Chemistry
- Educational background
-
Division of Forest and Biomaterials Science, Graduate School of Agriculture, Kyoto University
- Patent Attorney Yoshiki Fujiwara
- Expertise & experience
-
Amusement machine / Machinery / Electricity / Construction and civil engineering
- Educational background
-
Department of Electronic Chemistry, interdisciplinary Graduate school of Science and Engineering, Tokyo Institute of Technology
- Patent Attorney Kunio Yamaguchi
- Expertise & experience
-
Electricity / Machinery / Design / Trademark
- Educational background
-
Department of Electrical Engineering Faculty of Engineering, Hosei University
- Patent Attorney Takashi Yamaguchi
- Expertise & experience
-
Electricity / Information processing / Machinery
- Educational background
-
Department of Physics College of Science and Technology, Nihon University Department of Electrical Engineering Faculty of Engineering Division ��,Tokyo University of Science
- Patent Attorney Kentaro Masuda
- Expertise & experience
-
Machinery / Production machinery / Precision machinery / Packaging machinery / Office equipments / Transportation machinery / Construction and civil engineering / Electronic devices / Display devices / Optical
- Educational background
-
Department of Production Mechanical Engineering, Graduate school of Science and Engineering, Tokyo Institute of Technology
- Patent Attorney Akihito Kotake
(Authorized to represent in specific infringement litigations)
- Expertise & experience
-
Electricity / Machinery / Auto parts / Power equipment / Network technology / Mechatronics / Civil engineering and construction / Nano technology / Design
- Educational background
-
Faculty of Engineering，Nagoya Institute of Technology
Department of Electrical Engineering and Computer Science,Master of Science, George Washington University
- Patent Attorney Yasufumi Fujita
(Authorized to represent in specific infringement litigations)
- Expertise & experience
-
Machinery / Designs and trademarks (all professional practice including research and legal advice)
- Educational background
-
Department of Law, Faculty of Law, Nihon University
- Patent Attorney Norio Nagaoka
- Expertise & experience
-
Designs and trademarks (all professional practice including research and legal advice)
- Educational background
-
Department of Economics, School of Political Science and Economics, Waseda University
- Patent Attorney Naru Koike
- Expertise & experience
-
Chemistry / Material / Machinery
- Educational background
-
Department of Chemistry, Graduate School of Science, Osaka City University
- Patent Attorney Satoshi Asakura
- Expertise & experience
-
Chemistry / Material / Machinery / Design / Trademarks
- Educational background
-
Department of Applied Chemistry, Graduate School of Engineering, Gifu University
- Patent Attorney Takuhiro Kitao
- Expertise & experience
-
Foreign applications / Physical Engineering / Machinery
- Educational background
-
Department of Physics, Graduate School of Science, University of Tokyo
- Patent Attorney Kenichirou Tominaga
- Expertise & experience
-
Chemistry（biotechnology, organic chemistry）/ Material / Machinery
- Educational background
-
Department of Agricultural Chemistry, Graduate School of Agriculture, Meiji University
- Attorney-at-Law Hideto Nakai
- Educational background
-
1992 Graduated Faculty of Law, Waseda University
1999 Passed National Bar Exam
2001 Registered as Attorney-at-Law
2002 Joined Koyo International Patent Firm
- Official service
-
Member of conciliation of civil affairs committee at Tokyo Summary Court
- Attorney-at-Law, Patent Attorney Koji Onoue
- Educational background
-
2002 Graduated Faculty of Science and Engineering, Sophia University
2015 Graduated Hosei University Lawschool
2015 Passed National Bar Exam
2017 Registered as Attorney-at-Law
2023 Joined Koyo International Patent Firm
2023 Registered as Patent Attorney
