ABOUT US

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FIRM PROFILE

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Trade Name
Koyo International Patent Firm
Location
17th floor Tokyo Takarazuka Bldg. Yuraku-cho, Chiyoda-ku, Tokyo, 100-0006
TEL
03-5251-5721 (Main)
FAX
03-5251-5727
President
Hiroshi Arafune
Establishment
June 1981
Employees
Approximately 90 employees (as of February 2018)
Patent Attorneys
16 employees (as of February 2018)
Attorney-at-Law
2 employee (as of February 2018)
Services
Patent application for IP (Patent, Utility Model, Design, and Trademark) or representation for other procedures.
Direct or in-direct representation of Japanese or foreign clients for any patent-related procedures required by local or foreign Patent Agency.
Map
MAP

事務所沿革

June 1981
Former office established in Kanda, Chiyoda-ku, Tokyo.
March 1985
Office relocated to Ichigaya, Shinjuku-ku, due to the extension of business.
April 1989
Trade name changed to Koyo International Patent Firm
October 1990
Office relocated to Kagurazaka, Shinjuku-ku, due to the extension of business.
January 1999
Office relocated to Iwato-cho, Shinjuku-ku, due to the extension of business.
November 2002
Trade name changed to Koyo International Patent Office & Law Firm
August 2010
Established patent professional corporation, Koyo International Patent Firm
October 2012
Office relocated to Yuraku-cho, Chiyoda-ku, due to the extension of business.

Our Organization

Our Organization
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