Patents by Inventor Matsuo Ichinose

Matsuo Ichinose 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).

  • Power circuit for electronic wristwatch
    Patent number: 4397563
    Abstract: A power circuit for an electronic wristwatch is provided wherein voltage reduction circuit means is positioned intermediate a battery source and at least a portion of the circuitry of the timepiece to be driven by the battery source. The battery source is preferably a lithium battery. The voltage reduction circuit means include a capacitor and other circuit components formed on an integrated circuit substrate.
    Type: Grant
    Filed: May 1, 1980
    Date of Patent: August 9, 1983
    Assignee: Kabushiki Kaisha Suwa Seikosha
    Inventor: Matsuo Ichinose