To bring more values to intangible IPs


Registration No.


University of Tsukuba (B.E., 1983; M.Sc., 1985; Eng.D., 2001)

Practice Areas

Prosecution and enforcement, for domestic and foreign clients, of patents in various technical fields including semiconductor technologies, optical communication, and medical and welfare devices; opinion work; counselling on intellectual properties.


Dr. Yamamoto joined Nippon Telegraph and Telephone Corporation (NTT) in 1985. He had specialized in research and development of InP-based semiconductor technologies including growth, etching process, device characteristics and material properties for 25 years, and engaged in the intellectual property department.
As a coordinator, he took part in Japan's program for Regional Innovation Strategy "Kagawa Life-Science Product Development" in Kagawa prefecture and Kagawa University in 2011. He promoted and supported research and development of medical and welfare devices by matching clinical needs to engineering seeds in industry-academia-government and medical-engineering collaborations. He also supported research of MEMS (Micro Electro Mechanical Systems). In 2017, he moved to the NEXT Medical Device Innovation Center in the National Cancer Center Hospital East (NCCHE). He contributed to founding of the center and supported intellectual property strategies and related agreements in industry-academia collaborations, and AMED (Japan Agency for Medical Research and Development) projects.
He joined YAMAKAWA in 2019.


Japan Patent Attorneys Association (JPAA)
The Japan Society of Applied Physics (JSAP)


Japanese, English