Patents by Inventor Mokoto Seikiya

Mokoto Seikiya 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 high speed anti-friction bearing
    Patent number: 5059336
    Abstract: A grease composition for a high speed anti-friction bearing contains, in a synthetic lubricant base oil, (A) 2 to 30 wt. % of a thickening agent consisting of an urea comopund, (B) 0.2 to 30 wt. % of sorbitan monooleate, (C) 0.2 to 3.0 wt.% of barium sulfonate, and (D) 0.2 to 3.0 wt. % of barium lanolate, as indispensable components, each weight percentage being based on the total weight of the composition.
    Type: Grant
    Filed: August 16, 1990
    Date of Patent: October 22, 1991
    Assignees: Nippon Seiko Kabushiki Kaisha, Nippon Oil Co., Ltd.
    Inventors: Michiharu Naka, Hideki Koizumi, Yukari Kondoh, Hirotugu Kinoshita, Mokoto Seikiya, Masaru Mishima