- Trade Name
-
Koyo International Patent Firm
- Location
-
17th floor Tokyo Takarazuka Bldg. 1-1-3, 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 December 2024)
- Patent Attorneys
-
26 employees (as of December 2024)
- Attorney-at-Law
-
2 employee (as of December 2024)
- 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
-
- Trade Name
-
Nagoya Office
- Location
-
Noritake No. 1 Building, 1-10-6, Noritake, Nakamura-ku, Nagoya
- TEL
-
052-453-1071
- FAX
-
052-453-1072
- 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.
- November 2022
-
According to legal revision, changed from patent professional corporation to patent attorney corporation
- September 2024
-
Nagoya office opened
