Patents by Inventor Tomofusa ISHIZEKI

Tomofusa ISHIZEKI 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).

  • Bicycle hub with integrated motor
    Patent number: 8657047
    Abstract: A bicycle hub comprises a hub axle, a motor case and an integrated motor. The hub axle has a pair of frame attachment ends. The motor case is mounted on the hub axle such that the bicycle frame attachment ends protrude out of opposite axial ends of the motor case. The motor case including a recessed portion that is configured to receive a bicycle frame that is mounted to the bicycle frame attachment ends of the hub axle. The integrated motor is operatively mounted between the hub axle and the motor case.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: February 25, 2014
    Assignee: Shimano Inc.
    Inventors: Hiroyuki Urabe, Takahiko Hayashi, Takafumi Saiki, Tomofusa Ishizeki
  • BICYCLE HUB WITH INTEGRATED MOTOR
    Publication number: 20110303471
    Abstract: A bicycle hub comprises a hub axle, a motor case and an integrated motor. The hub axle has a pair of frame attachment ends. The motor case is mounted on the hub axle such that the bicycle frame attachment ends protrude out of opposite axial ends of the motor case. The motor case including a recessed portion that is configured to receive a bicycle frame that is mounted to the bicycle frame attachment ends of the hub axle. The integrated motor is operatively mounted between the hub axle and the motor case.
    Type: Application
    Filed: June 10, 2011
    Publication date: December 15, 2011
    Applicants: TAIYO YUDEN CO., LTD., SHIMANO INC.
    Inventors: Hiroyuki URABE, Takahiko HAYASHI, Takafumi SAIKI, Tomofusa ISHIZEKI