◇First growing patent firm with a long years of heritage of high quality services.
In 1946, the founder and attorney Mr. Tei Ito established “Ito Patent
Office”. Business as a patent office was started with a main client “Tokyo
Tsushin Kogyo Co.” which is the forerunner of Sony Corporation.
In 1988, the year Mr. Tei Ito passed away, Mr. Hidemori Matsukuma
who was the vice president and attorney became a successor, and then
the name of the office was changed to “Matsukuma Patent Office”.
In 2002, the president Mr. Hidemori Matsukuma got an honorable
retirement and attorney Mr. Yoshisue Tsunoda took the post of the
president. The office name was then changed to “Shin-yu International
Patent Firm” aiming to be a “dependable friend” of our clients
In 2008, the firm was incorporated as a patent professional corporation
to respond to various needs of our clients and continuously offer
highly-diversified and high quality services.