Patents by Inventor Toshio Yuhta

Toshio Yuhta 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).

  • Wear resisting slide member
    Patent number: 5462362
    Abstract: In the slide member, a recessed and projected pattern is formed in a slide surface of a mother member of the slide member allowed to slide in contact with a mating member, recessed portions of the recessed and projected pattern are filled with a lubricant, and the area ratio of the recessed portions is set in a range of 30 to 70% while the depth thereof is set for 10 .mu.m or less. The slide member is able to secure the lubricating property, wear resisting property and seize-up resisting property of the slide surface thereof with the recessed and projected pattern formed therein for a long period.
    Type: Grant
    Filed: May 2, 1994
    Date of Patent: October 31, 1995
    Assignee: NSK Ltd.
    Inventors: Toshio Yuhta, Ikuya Nishimura, Daijiro Kano, Tsuyoshi Saitou, Tomita Suzuki, Mamoru Tanaka