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About US


Founded April, 1974.
Representative Partner Noboru Fujimoto
Registered Partner Hiroaki Nakatani Shinichi Nomura
Osaka Head Office Sakaisuji-Inabata Bldg. 2F,15-14 Minamisemba 1-chome,Chuo-ku, Osaka
542-0081 JAPAN
TEL:+81-6(6271)7908 FAX:+81-6(6271)7910
Tokyo Branch Office Ichihara Building 3F,1-8,Hirakawacho 1-chome,Chiyoda-ku, Tokyo
102-0093 JAPAN
TEL:+81-3(3237)3998 FAX:+81-3(3237)3997
Our services Filing and prosecution of applications for patents, utility models, designs, and trademarks IP-related disputes, negotiations and litigation
Number of Employees 75(Sun・Group total)Patent attorneys 18 Chinese patent attorney 1
Group Companies & Services
  • SUN・GROUP Holdings Co.,Ltd.

    Management and Operation of Group Company IP-related support for domestic and international clients

  • Nets Co.,Ltd.

    Searching and analysing for patents, utility models, designs, non–patent literature

  • PATRA Co.,Ltd.

    Intellectual property education services, IP-related service planner

Access Map

Osaka Head Office

住所: Sakaisuji-Inabata Bldg. 2F 5F,15-14 Minamisemba 1-chome,Chuo-ku,Osaka
542-0081 JAPAN
TEL: +81-6(6271)7908
FAX: +81-6(6271)7910

Tokyo Branch Office

住所: Ichihara Building 3F,1-8,Hirakawacho 1-chome,Chiyoda-ku,Tokyo
102-0093 JAPAN
TEL: +81-3(3237)3998
FAX: +81-3(3237)3997