Patents by Inventor Akihiko Okimura

Akihiko Okimura 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).

  • Multilayered sliding member
    Patent number: 5433870
    Abstract: Disclosed herein is a multilayered sliding member comprising a lubricating composition comprising polytetrafluoroethylene and 1 to 40 wt % of (i) zinc oxide whiskers or (ii) zinc oxide whiskers and fibrous magnesium oxysulfate, fan-shaped magnesium oxysulfate or a mixture thereof used as a filler; and a porous sintered metal layer formed on a steel backing,the lubricating composition being impregnated in and coated on the porous sintered metal layer formed on a steel backing.
    Type: Grant
    Filed: September 23, 1993
    Date of Patent: July 18, 1995
    Assignee: Oiles Corporation
    Inventors: Takashi Nakamaru, Tadashi Watai, Akihiko Okimura, Sumihide Yanase
  • Multilayered sliding member
    Patent number: 5354622
    Abstract: Disclosed herein is a multilayered sliding member comprising a lubricating composition comprising polytetrafluoroethylene and, as filler, 1-25 wt % of fibrous magnesium oxysulfate, fan-shaped magnesium oxysulfate or a mixture thereof, and a porous sintered metal layer formed on a steel backing,the lubrication composition being impregnated in and coated on a porous sintered metal layer formed on the steel backing.
    Type: Grant
    Filed: July 28, 1993
    Date of Patent: October 11, 1994
    Assignee: Oiles Corporation
    Inventors: Takashi Nakamaru, Tadashi Watai, Akihiko Okimura, Sumihide Yanase