Our Firm

Representative partner : Takeshi Takamatsu, Patent Attorney

Partner : Ken Haseyama, Patent Attorney
Shinya Motoyama, Patent Attorney

Staff : 7 attorneys, 10 staff members (technical, administrative)


January 2008 Established as Koh-Ei Patent Firm in Shimbashi, Minato-ku, Tokyo
November 2009 Moved to Nishi-Shimbashi, Minato-ku, Tokyo
January 2017 Started operation as a patent professional corporation with the name of Koh-Ei Patent Firm, P.C.