Tadashi ISHINO

Tadashi ISHINO Tadashi ISHINO

Patent Attorney
former Examiner of the JPO


BIOGRAPHYAfter graduating from Gakushuin University, Tadashi ISHINO worked in the research and development department at Fujitsu Limited where he was involved with materials analysis and portable devices.
He left Fujitsu Limited in 2004 and joined the Japan Patent Office (the "JPO"), and worked in the 3rd Division as an examiner of semiconductor devices of the JPO for 10 years.
Mr. Ishino was registered as a patent attorney in Japan in 2014.
Mr. Ishino has a significant amount of experience in the areas of electrical and mechanical devices that he has gained through his life experiences and his time as an examiner at the JPO. He uses this experience to help machinery manufacturing companies acquire Japanese patents. He also has extensive experience conducting prior art searches, patent appeals and patent lawsuits.
Mr. Ishino is mild-mannered and able to communicate in both English and Japanese. He continually works to build his knowledge and abilities. He also strives to sincerely meet his client's needs and requests.

PRACTICE AREASMr. Ishino is a certified patent attorney who specializes in affairs related to Intellectual Property rights. He has done work in the areas of prosecution, prior art searches, appeals and litigation related to patents, particularly in the areas of electrical engineering, and mechanical engineering.

EDUCATIONGakushuin University, Faculty of Science, Department of Physics
Graduate School of Kokushikan University Interdisciplinary Intellectual Property Laws (MS)


  • Fujitsu Limited
  • Japan Patent Office
    Examiner in the Semiconductor Division


LANGUAGEJapanese and English

HOBBIESPlaying Tennis