Patents by Inventor Yoshihiro Umetsu

Yoshihiro Umetsu 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).

  • Patent number: 4606577
    Abstract: An automotive folding seat is adapted to be retracted to provide a wider entrance space for passengers. The seat back can be folded onto a seat cushion and the seat in its entirety can be pivoted to a retracted position wherein the seat cushion is aligned vertically with the seat back folded onto the seat cushion. A locking mechanism serves to hold the seat cushion in its normal operating position. The locking mechanism is engageable to a striker rigidly mounted on the vehicle body and associated with a hinge mechanism which latches the seat back in its normal operating position and allows pivotal movement to the folded position in response to release operation of an operation lever. The operation lever also causes the locking mechanism to release its locking engagement with the striker to allow retracting movement of the seat cushion.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: August 19, 1986
    Assignees: Nissan Motor Company, Ltd., Nissan Shatai Company, Ltd.
    Inventors: Yasuo Hirama, Yoshihiro Umetsu
  • Patent number: 4516788
    Abstract: Device for adjusting seating position of an automotive vehicle seat by using the change of the pressure of a working gas is so designed that the working gas is propelled using a pressure pump of a pneumatic vehicle-height-adjusting device without an additional pump used exclusively for pressurizing the working gas. Therefore, the working portion of the seating position adjusting device is connected to a working gas passage of the vehicle height adjusting device via a working gas supply passage. The working gas supply passage is provided with a control valve so that introduction of the working gas is controlled. The working portion is further provided with an exhaust valve so as to control the exhaust operation of the working gas from the working portion.
    Type: Grant
    Filed: August 12, 1983
    Date of Patent: May 14, 1985
    Assignee: Nissan Motor Company, Limited
    Inventors: Yoshihiro Umetsu, Masakazu Muraishi, Osamu Ito, Masakatsu Kakeba