Nishiura & Associates is a leading patent/trademark firm, established in Toranomon, Tokyo in 1999. We provide comprehensive and technical support for patents, trademarks, designs, and international applications thereof, as well as investigations and lawsuits in the field of intellectual property (IP).

Our clients get highly professional services for acquisition and management of patents (including via PCT route), trademarks (including via Madrid Protocol route), and many more to develop their businesses in Japan.


Tsuguharu Nishiura

  Attorney     Registered year Attorney No.   Practice Area     
  Tsuguharu NISHIURA (President)
1984 9144   Patents, Designs, Trademarks, IP litigations
[Qualified as a litigating attorney]
  Tasuku DEYAMA 2003 13043   Designs, Patents (mechanical), Trademarks
  Toshiya HATSUSE 1984 9164   Patents (Chemistry and Electric field),IP litigations
[Qualified as a litigating attorney]


NTT Toranomon Building 8F 8-8 Toranomon 3-Chome, Minato-Ku Tokyo, 105-0001 Japan

• 1-minute walk from Toranomon Hills Station =Hibiya Line

• 5-minute walk from Toranomon Station =Ginza Line

TEL: +81 (0)3-6435-9990
FAX: +81 (0)3-6435-9992

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