Patents by Inventor Kuniyoshi Date

Kuniyoshi Date 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).

  • Vehicular long cruising seat
    Patent number: 5251963
    Abstract: A long drive seat comprises a seat back and a seat cushion which the seat back extends from. The seat is provided with a coccygeal vertebra movement restrainer constructed and arranged so as to restrain movement of a coccygeal vertebra of a spine of the seat occupant.
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: October 12, 1993
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Masatoshi Inayoshi, Kuniyoshi Date, Shinya Iwasaki