Patents by Inventor Osamu Hidekawa

Osamu Hidekawa 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: 6286906
    Abstract: A balance weight for providing a balance has 1) a central portion, 2) first and second side portions interposing therebetween the central portion such that the first side portion, the central portion and the second side portion are continuously arranged in a direction, 3) a first weight block contained in the first side portion, which first weight block is adjacent to the central portion and has a first width, 4) a second weight block contained in the second side portion, which second weight block is adjacent to the central portion and has a second width, 5) at least one index weight block for indicating a center of the balance weight in the direction, which at least one index weight block is contained in the central portion and has a third width that is shorter than each of the first and second widths, and 6) a base member for uniting together the first and second weight blocks and the at least one index weight block, which base member is made of a flexible material.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: September 11, 2001
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Keizou Nagashima, Osamu Hidekawa, Satoshi Komazaki, Hideo Koike
  • Patent number: 5887843
    Abstract: A damping member includes a damper bracket fixed to an upper link bracket, a mass bracket Joined to the damper bracket via an elastic body, and a mass for vibration control supported by the mass bracket, an upper link bracket is provided on a rear axle housing for supporting one end of the upper link supported at another end thereof relative to a vehicle body, the upper link bracket has a wall portion for accommodating the damping member therein, and a stopper portion is provided on the damper bracket in oposition to an end part of the mass for enclosing the mass in cooperation with the wall portion of the upper link bracket.
    Type: Grant
    Filed: August 15, 1997
    Date of Patent: March 30, 1999
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Osamu Hidekawa, Tamotsu Origuchi