About Us

Firm

Founded in Tokyo in 2022 by Japanese patent attorneys Kei TANABE and Koji OBIKANE. Kajibashi-dori IP Firm has a deep understanding of international intellectual property law in the world. We handle over 100 patent (utility and design) and trademark applications in JAPAN and overseas each year.

Managing Partners

Kei TANABE (patent attorney)

SPECIALITY

Trademark and Electrical Engineering

REGISTRATION FOR PATENT ATTORNEY

Qualified as Patent Attorney in Japan 2002, registered in 2003

EDUCATION

  • L.L.B. in Seikei University
  • L.L.M in Seikei University
  • B.E in Tokyo University of Science

PROFESSIONAL CAREER

  • Joined a patent office
  • Entered Kyowa Patent and Law Office
  • Entered Hikari Patent and Law Office
  • Entered Tanabe International Patent office P.C.

Koji OBIKANE (patent attorney)

SPECIALITY

Mechanical engineering and Electrical Engineering

REGISTRATION FOR PATENT ATTORNEY

Qualified as Patent Attorney in Japan 2009, registered in 2010

EDUCATION

  • BSc in Civil Engineering, Kyoto University
  • MSc in Engineering, Kyoto University

PROFESSIONAL CAREER

  • Joined DAIHO Corporation
  • Joined a patent office
  • Entered Asamura Patent Office, p.c.
  • Founded PatentBox IP Law Firm (2013)

Location

Address

Kajibashi-dori IP Firm
NEWS KYOBASHI. 6th fl, 3-10-1, Kyobashi, Chuo-ku, Tokyo 104-0031, Japan

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