Message - 創業者の言葉




創業者 岡田英彦

創業者 岡田英彦の経歴


  • 1960年 弁理士登録と同時に特許事務所を開設
  • 1985~1986年 弁理士会副会長
  • 1991年 黄綬褒章受賞
  • 2001年 勲五等双光旭日章叙勲
  • 2005年 特許業務法人岡田国際特許事務所を設立し、代表に就任
  • 2016年 会長に就任
  • 2017年 11月 逝去 (91歳)
  • 2017年 11月 従六位に叙せられる

OKADA PATENT & TRADEMARK OFFICE, P.C. is located in Nagoya, the center of Japan’s manufacturing industry, and has been a leading international patent firm since 1960. Throughout these years, we have supported our clients in obtaining patent, design and trademark rights in a manner that best conforms to our clients’ IP (intellectual property) strategies and by providing accurate and efficient IP counseling. IP is a central concern for any business and it is our mission to provide total support for our clients’ IP strategies.

Rapid advances in technology continue to increase the demands on patent attorneys and the critical importance of their services. OKADA PATENT & TRADEMARK OFFICE, P.C. has highly skilled Japanese and US qualified patent attorneys specializing in domestic and international IP laws, including patent, trademark, design and copyright laws, and our attorneys have a profound knowledge of a wide variety of technical fields, including mechanics, electronics, chemistry and biology. We also have strong support systems enabling us to meet our clients’ high expectations of our services.

We remain strongly committed to the continuous development of our skills and systems to keep pace with changing global business practices, and the continued provision of our highly effective strategic IP services.


Biography of Hidehiko Okada, our Founder


  • Registered as Patent and Trademark Attorney and established a patent firm in 1960
  • Vice-President of Japan Patent Attorneys Association from 1985 to 1986
  • Received “Yellow Ribbon” Medal in 1991
  • Decorated with the Cordon of the Rising Sun for the Fifth Order of Merit in 2001
  • Established present firm an became president in 2005
  • Honorary Chairman of Okada Patent & Trademark Office, P.C. since 2016
  • Passed away in November 2017, age 91