Patents by Inventor Yoshinori Takahashi, legal representative

Yoshinori Takahashi, legal representative 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).

  • Telescopic shaft for vehicle steering shaft and grease composition for lubricating telescopic shaft
    Patent number: 8262484
    Abstract: A telescopic shaft for vehicle steering installed in a vehicle steering shaft. A male shaft and a female shaft are non-rotatably and slidably fitted to each other and an outer peripheral portion of the male shaft and an inner peripheral portion of the female shaft come in contact with each other to transmit a torque during rotation. A grease composition which has an apparent viscosity of 400 to 750 Pa·s (25° C.) at a shear rate of 10 sec?1 as defined in JIS K2220 is enclosed in a gap between the outer peripheral portion of the male shaft and the inner peripheral portion of the female shaft.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: September 11, 2012
    Assignee: NSK Ltd.
    Inventors: Shinya Nakatani, Atsushi Yokouchi, Hiroshi Sato, Kazunori Takahashi, Yoshinori Takahashi, legal representative, Seiichi Moriyama