Patents by Inventor Yasuaki Katoh

Yasuaki Katoh 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).

  • Door lock/unlock detector for use in theft prevention device for automobiles
    Patent number: 4910980
    Abstract: A door lock/unlock detector for use within a theft prevention device for an automobile includes a door lock cylinder having a key-actuator rotor rotatable between a lock position and an unlock position. A detector plate is mounted upon the key-actuator rotor for rotation therewith. A first detector comprising a reed switch is positioned so as to confront the detector plate when the key-actuator rotor move to the lock position. A second detector comprising a reed switch is positioned so as to confront the detector plate when the key-actuated rotor is moved to unlock position.
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: March 27, 1990
    Assignee: Shiroki Kinzoku Kogyo Kabushiki Kaisha
    Inventor: Yasuaki Katoh