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]
  Yoshitaka TAKAMI  2003 13072   Patents, Trademarks, IP contracts, Copyrights, Unfair competitions
  Tasuku DEYAMA 2003 13043   Designs, Patents (mechanical), Trademarks
  Tomohiko YAMADA 2003 13050   Trademarks, IP litigations
[Qualified as a litigating attorney]
  Amu DOBASHI 2013 18863   Trademarks
  Mariko OZAKI 2018 21345   Trademarks
  Toshiya HATSUSE 1984 9164   Patents (Chemistry and Electric field)


Sankaido Building 8F 9-13 Akasaka 1-Chome, Minato-Ku Tokyo, 107-0052 Japan

• 3-minute walk from Tameike-Sanno Station (Exit 9) =Ginza Line & Namboku Line

• 5-minute walk from Toranomon Station (Exit 3) =Ginza Line

• 7-minute walk from Kokkai-Gijidomae Station (Exit 3) =Chiyoda Line & Marunouchi Line

TEL: +81 (0)3-5114-9933
FAX: +81 (0)3-5114-9922

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