OFFICE

Our Firm

Representative partner : Ken HASEYAMA, Patent Attorney

Partner : Shinya Motoyama, Patent Attorney

Staff : 6 attorneys, 8 staff members (technical, administrative)

History

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.
November 2022 Changed the firm name to "Koh-Ei, P.C.".