Patents by Inventor Masahiko Shigeta

Masahiko Shigeta 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).

  • Adjustable seat assembly
    Patent number: 3930632
    Abstract: Seat adjusting mechanism providing a multiplicity of fore-and-aft adjustment positions of a vehicle adjustable seat in which an upper moving guide rail supporting the seat and a lower fixed guide rail comprise two vertical flanges per each rail, the flanges on the upper and lower rails firmly gripping each other thereby preventing the upper rail from being torn off from the lower rail. The mechanism further comprises an improved lock device associated with the flanges on the upper rail.
    Type: Grant
    Filed: December 26, 1973
    Date of Patent: January 6, 1976
    Assignees: Nissan Motor Company Limited, Ichikoh Industries Limited
    Inventors: Masahiko Shigeta, Gonshiro Miyoshi, Hisakazu Murakami, Shoji Ogata