History
| 1971 | Patent attorney Akira Kohno founded the firm at its current location in the Nagatacho Hoso Building, Akasaka, Minato-ku, Tokyo. |
| 2003 | Michiko Hosaka, the current managing partner, became the second head of the firm. |
| 2006 | Formed an alliance with Nagakawa & Okamura Law Office. |
| 2010 | Established the Odawara branch. |
| 2012 | Began holding intellectual property seminars. |
| 2015 | Established as a patent professional corporation. |
Office Information
Akasaka Office
Address:
#306 Nagatacho Hoso Building 2-2-21, Akasaka, Minato-ku, Tokyo 107-0052, Japan
Tel: +81-3-3583-5043
Fax: +81-3-3584-7587
Access:
• Tameike-Sanno Station (Tokyo Metro Ginza Line, Namboku Line): 1-minute walk from Exit 8
• Kokkai-gijidomae Station (Tokyo Metro Chiyoda Line, Marunouchi Line): 5-minute walk from Exit 5
Odawara Office
Address
Shirabara Building, 2nd Floor
1-6-12 Sakae-cho, Odawara-shi, Kanagawa 250-0011, Japan
Tel: +81-465-46-8691
Fax: +81-465-46-8691
Access:
• Odawara Station (JR, Odakyu Line, Daiyuzan Line): 5-minute walk from the East Exit
Patent Attorney
Managing Partner: Michiko Hosaka (Registration No. 12862)
I am concerned about the declining global trust in Japan. I believe it is essential to regain an aggressive spirit that allows us to compete internationally once again, by leveraging intellectual property rights.
Education
• Yokohama National University
Public Service
• Advisor, Odawara-Hakone Chamber of Commerce and Industry
• Advisor, Hiratsuka Chamber of Commerce and Industry
• Member, APAA (Asian Patent Attorneys Association)
• Member, INTA (International Trademark Association)
• Member, Japan Trademark Association
• Patent Attorney Examination Committee Member (2012, 2013, 2016)
• Member, Odawara-Hakone Chamber of Commerce and Industry (2009–Present)
Executive & Committee Positions
• Council Member, Japan Patent Attorneys Association (JPAA) (2010, 2011)
• Committee Member, JPAA Copyright Law Committee (2007, 2008)
• Committee Member, JPAA Unfair Competition Prevention Act Committee (2012–2014)
• Deputy Director, JPAA Support Center (Present)
• Kanagawa Committee Member, JPAA Kanto Branch (2011–Present)
• Patent Advisor, JPAA Kanto Branch (2006–Present)
Partner: Koichi Murakami (Registration No. 13848)
Trademarks are said to be all about research; many trademark disputes can be avoided with accurate preliminary searches. I leverage comprehensive research tools and databases to protect clients from trademark issues.
Education
• University of Tsukuba
Public Service
• Member, INTA (International Trademark Association)
• Member, Japan Trademark Association
• Patent Advisor, JPAA Kanto Branch (2012–Present)
Executive & Committee Positions
• JPAA Public Relations Center (2012–Present)
Partner: Junji Shinohara (Registration No. 17352)
In today’s global society, where products and services cross borders, it is crucial to consider obtaining intellectual property rights in multiple countries and to develop the best possible strategy.
Education
• Osaka University
Public Service
• Lecturer, JPAA Practical Training
• Advisor, JPAA Kanto Branch Intellectual Property Consultation Office
• Member, APAA (Asian Patent Attorneys Association)
Executive & Committee Positions
• Committee Member, JPAA Patent Committee (2012, 2014–2016)
• Operations Committee Member, JPAA Central Institute of Intellectual Property (2012–2013)
• Committee Member, JPAA Kanto Branch Intellectual Property Education Support Committee (2017, 2018)
• Tokyo Committee, JPAA Kanto Branch (2018)
• Committee Member, JPAA Kanto Branch Support Committee for SMEs & Startups (2019)
• Committee Member, JPAA Copyright Committee (2019)
• Chair, JPAA Kanto Branch Training Response Committee (2020–2023)
• Executive Secretary, JPAA Kanto Branch (2020–Present)
• Deputy Director, JPAA International Activities Center (2024–Present)