Patents by Inventor Atushi Yokouchi

Atushi Yokouchi 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).

  • Grease composition for rolling bearing
    Patent number: 6352961
    Abstract: The present invention provides a grease composition which is excellent in peel resistance, not to mention lubricity, as compared with the prior art products. A novel grease composition for rolling bearing is provided, comprising a base oil, an extender, an inorganic compound-based filler having an average particle diameter of not more than 2 &mgr;m and zinc dithiocarbamate.
    Type: Grant
    Filed: March 17, 1999
    Date of Patent: March 5, 2002
    Assignee: NSK Ltd.
    Inventors: Kenichi Iso, Atushi Yokouchi, Hideki Koizumi, Michiharu Naka
  • Cage for rolling bearing
    Patent number: 5575570
    Abstract: A cage for a rolling bearing; the cage is obtained by molding a resin composition comprising 100 parts by weight of a heat-resistant and oil-resistant resin and from 5 to 100 parts by weight of a polyolefin and immersing the resulting molded article in a lubricating oil. Also is disclosed is a rolling bearing with the cage fitted therein and having been subjected to oil plating.
    Type: Grant
    Filed: July 7, 1995
    Date of Patent: November 19, 1996
    Assignee: NSK Ltd.
    Inventors: Takahiko Uchiyama, Youichiro Sugimori, Toshimi Takajo, Michiharu Naka, Masao Yamamoto, Emiko Shiraishi, Atushi Yokouchi