Patents by Inventor Tadayuki Matsuo

Tadayuki Matsuo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ion sensor FET with surface treated metal gate
    Patent number: 4446474
    Abstract: An ion sensor and more particularly ion sensitive field effect transistor comprising an inorganic film, and an impurity layer formed in at least surface layer of said inorganic film by thermal diffusion or ion implantation.
    Type: Grant
    Filed: June 27, 1980
    Date of Patent: May 1, 1984
    Assignee: Olympus Optical Co. Ltd.
    Inventors: Takashi Mizusaki, Tadayuki Matsuo, Masayoshi Esashi, Hiroshi Abe