Patents by Inventor Kazunao Saito

Kazunao Saito 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).

  • Roller bearing for planetary gear mechanism
    Publication number: 20070202986
    Abstract: A roller bearing (needle roller bearing) of the cage-and-roller type for a planetary gear mechanism includes a plurality of rollers (needle rollers), and a cage positioning and holding these rollers, and an outside diameter surface of the cage is guided by a bore diameter surface of a planetary gear. An outside diameter dimension of the cage is set to a value which is not smaller than 95% and not larger than 97% of an inner diameter dimension of the planetary gear.
    Type: Application
    Filed: February 15, 2007
    Publication date: August 30, 2007
    Applicant: JTEKT CORPORATION
    Inventors: Kazuyuki Kotani, Kazunao Saito, Takahiko Sato, Hiroshi Sato