Patents by Inventor Hisatoshi Akita

Hisatoshi Akita 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).

  • Drive arrangement for electric power assisted bicycle
    Patent number: 6276479
    Abstract: A drive arrangement for an electrically power assisted bicycle, wherein the electrical power assist components are comprised of an electric motor and transmission as one unit and a battery as another unit, with the electric motor and transmission being disposed on one side of and relatively low relative to a manual crank axis and the battery case is disposed on the rear side of the crank axis to improve fore and aft balance while maintaining a low center of gravity.
    Type: Grant
    Filed: February 5, 1996
    Date of Patent: August 21, 2001
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Masahiro Suzuki, Hisatoshi Akita, Nozomu Takata