Patents by Inventor Kunio Segawa

Kunio Segawa 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 device for vehicle
    Patent number: 6133646
    Abstract: When a control unit for controlling a 2-motor-3-relay type locking system makes a transition to, for example, an N/L (lock) state, the two motors are turned on or off such that operation timings of the motors are shifted from each other by a period of time longer than a shift amount (variation) of required operation times of the relays.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: October 17, 2000
    Assignee: Mazda Motor Corporation
    Inventors: Kunio Segawa, Toshifumi Ikeda