Patents by Inventor Munemasa Shimamura

Munemasa Shimamura 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: 5018762
    Abstract: An air-bag device includes an air-bag proper mounted to a center pad of a steering wheel, the air-bag proper having therein upper and lower portions with respect to a condition wherein the air-bag proper is practically expanded; an inflator having gas blow openings exposed to the interior of the air-bag proper, the inflator generating gases which are to be blown into the air-bag proper through the gas blow openings; a trimmed cover covering the air-bag proper in a folded up condition; an ignitor for actuating the inflator to generate the gases; and a unique structure for restricting a flowing of the gases toward the upper part of the air-bag proper.
    Type: Grant
    Filed: December 20, 1988
    Date of Patent: May 28, 1991
    Assignee: Nissan Motor Company, Ltd.
    Inventors: Motoharu Suzuki, Munemasa Shimamura, Hideo Omura, Makoto Hikone
  • Patent number: 4946194
    Abstract: Herein disclosed is a steering wheel construction which comprises a circular rim; a hub adapted to connect to a steering shaft; at least one spoke connecting the circular rim and the hub; a center pad supported by the spoke and located at a generally center portion of the circular rim; and an energy absorbing structure positioned between the hub and the center pad, wherein the energy absorbing structure is so arranged as to be deformed when the spoke is subjected to deformation.
    Type: Grant
    Filed: February 8, 1989
    Date of Patent: August 7, 1990
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kouzo Maeda, Munemasa Shimamura, Hideo Omura, Makoto Hikone