Our Profile and History
Firm profile
| Firm name | SATO & ASSOCIATES |
| President | Patent attorney Tsuyoshi Kagayaa |
| Vice-president | Patent attorney Tatsuhiko Sato Patent attorney Toshiyuki Sakai |
| Number of in-house patent attorneys | 28 (as of September 2019) |
| Adviser | Michio Komatsu |
| Adviser | Ikuo Hatsuyama |
| Adviser | Patent attorney Isamu Ohashi |
| Number of staff members | 57 (as of September 2019) |
| Head office | Nishi-Shinjuku Mitsui Buiｌding 18F 24-1, Nishi-shinjuku 6-chome Shinjuku-ku, Tokyo 160-0023, JAPAN Tel +81 3 5324-9810 Fax +81 3 5324-9820 |
| Fukushima office | Kannoya Building 3F 1-6-6, Ekimae, Kooriyama-shi, Fukushima 963-8002, JAPAN Tel +81 24 953-4196 Fax +81 24 953-4296 |
| Sendai office | Gojo Building 301 1-9-5,Honcho,Aoba-ku,Sendai-shi,Miyagi 980-0014,JAPAN Tel +81 22 796-9272 Fax +81 22 796-9282 |
Firm history
| November 1986 | Sato International Patent Officewas established in Shinbashi, Minato-ku, Tokyo |
| October 1987 | Chiba-Sato International Patent Office was established. Office was moved to 2-7-7, Yoyogi, Shibuya-ku, Tokyo |
| January 1991 | Name of office was changed to "Toho International Patent Office". |
| December 1995 | Office was moved to 2-1-1, Yoyogi, Shibuya-ku, Tokyo. |
| April 2002 | SATO & ASSOCIATES was established. |
| December 2002 | Satellite office was established in 2-6-3, Yoyogi, Shibuya-ku, Tokyo, with the expansion of business. |
| June 2004 | Satellite office was moved to 2-11-2, Yoyogi, Shibuya-ku, Tokyo, with the expansion of business. |
| April 2006 | Merged with Hori International Patent Office |
| April 2008 | Established "SATO & ASSOCIATES" (日本名：特許業務法人創成国際特許事務所) as a patent profession corporation which succeeded all practice and organization of former SATO & ASSOCIATES |
| October 2008 | Fukushima office was established. |
| November 2008 | Office was moved to 24-1, Nishi-Shinjuku, Shinjuku-ku Tokyo |
| August 2013 | Fukushima office was moved to Kannoya Bldg., 3F, 6-6, Ekimae 1-chome, Koriyama-shi, Fukushima 960-8002 |
| April 2018 | Sendai office was established. |