Patents by Inventor Satoshi Fushimi

Satoshi Fushimi 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).

  • Patent number: 3950940
    Abstract: An electronic timepiece having the electronic circuitry formed as a single monolithically integrated circuit chip is provided, a first portion of the circuitry being actuated by a first potential and a second portion of the circuitry being actuated by a second potential higher than said first. The circuit chip includes complementary coupled MOS transistors, the first and second circuit portions operating respectively at first and second logic levels. An interface is provided intermediate said first and second circuit portions, the interface being adapted to effect an interfacing of said logic levels, and an electrical insulation of said first and second circuit portions.
    Type: Grant
    Filed: August 2, 1974
    Date of Patent: April 20, 1976
    Assignee: Kabushiki Kaisha Suwa Seikosha
    Inventors: Izuhiko Nishimura, Satoshi Fushimi