Patents by Inventor Mitsuhiro Hika

Mitsuhiro Hika 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).

  • Field effect transistor apparatus
    Patent number: 5428232
    Abstract: A dual gate field effect transistor including first and second gates comprises a conductive region, wherein a potential difference between a second gate electrode section and the conductive region is larger than that between the second gate electrode section and a channel operation region.
    Type: Grant
    Filed: May 18, 1994
    Date of Patent: June 27, 1995
    Assignee: Sony Corporation
    Inventors: Mitsuhiro Hika, Shinichi Tanaka, Keigo Aga, Hidemi Takakuwa