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 27 (as of April 2018)
Adviser Michio Komatsu
Adviser Ikuo Hatsuyama
Adviser Patent attorney Isamu Ohashi
Number of staff members 54 (as of April 2018)
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.