Patents by Inventor Wiwat Wongwirawipat

Wiwat Wongwirawipat 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).

  • Metal oxide semiconductor field effect transistor cell adaptable for use in an integrator
    Patent number: 5440156
    Abstract: A MOSFET wherein cell includes a MOSFET transistor having a gate connected to an input voltage signal for integration, a source grounded through a high resistance, and a drain connected to a power source. An output capacitor is connected to the source of the MOSFET transistor to complete the MOSFET cell.
    Type: Grant
    Filed: December 8, 1992
    Date of Patent: August 8, 1995
    Assignee: Yozan Inc.
    Inventors: Guoliang Shou, Weikang Yang, Wiwat Wongwirawipat, Sunao Takatori, Makoto Yamamoto