Patents by Inventor Shinichiro Hirose

Shinichiro Hirose 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).

  • Belt driving apparatus for bicycle
    Patent number: 4768998
    Abstract: A belt driving apparatus for a bicycle is disclosed wherein a driving gear has an outer gear over which is trained a toothed belt to impart rotational force to the bicycle rear wheel. An inner gear disposed within the outer gear includes teeth along its outer periphery meshing with teeth formed on the inner periphery of a crank gear disposed between the inner and outer gears. The crank gear is mounted on a crank shaft.
    Type: Grant
    Filed: May 14, 1987
    Date of Patent: September 6, 1988
    Assignee: Sakae Ringyo Co., Ltd.
    Inventors: Shinichiro Hirose, Kanzo Akamatsu