Patents by Inventor Shoichi Tsujimoto

Shoichi Tsujimoto 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 and pump including same
    Patent number: 7334515
    Abstract: A roller bearing including a plurality of rollers which are provided between an outer circumferential surface of an inner member and an inner circumferential surface of an outer member; and a substantially cylindrical roller holder which has a plurality of pockets holding the plurality of rollers, respectively, such that each of the rollers is rotatable about an axis line thereof and which is rotatable around the inner member. A sign of a skew angle of each of the rollers is constant irrespective of how much the each roller is inclined relative to a corresponding one of the pockets in a circumferential direction of the roller holder.
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: February 26, 2008
    Assignees: Toyota Jidosha Kabushiki Kaisha, NTN Corporation
    Inventors: Masakuni Suzuki, Takeshi Ishida, Shoichi Tsujimoto
  • Roller bearing and pump including same
    Publication number: 20060090344
    Abstract: A roller bearing including a plurality of rollers which are provided between an outer circumferential surface of an inner member and an inner circumferential surface of an outer member; and a substantially cylindrical roller holder which has a plurality of pockets holding the plurality of rollers, respectively, such that each of the rollers is rotatable about an axis line thereof and which is rotatable around the inner member. A sign of a skew angle of each of the rollers is constant irrespective of how much the each roller is inclined relative to a corresponding one of the pockets in a circumferential direction of the roller holder.
    Type: Application
    Filed: October 11, 2005
    Publication date: May 4, 2006
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, NTN CORPORATION
    Inventors: Masakuni Suzuki, Takeshi Ishida, Shoichi Tsujimoto