Patents by Inventor Akira Dohi

Akira Dohi 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 frame assembly
    Patent number: 5370411
    Abstract: A bicycle frame assembly including a shock absorbing system associated with a rear wheel. The frame assembly comprises a main frame section, chain stays, seat stays and a rocker arm element, which are combined with each other to form a four-link mechanism that is movable within a vertical plane including the main frame section. A shock absorbing device is arranged between the rocker arm element and the main frame body, for absorbing shocks transmitted from the rear wheel to the main frame section when the frame assembly is in use.
    Type: Grant
    Filed: October 13, 1992
    Date of Patent: December 6, 1994
    Assignee: Bridgestone Cycle Co., Ltd.
    Inventors: Kikuzo Takamiya, Nobuaki Shimada, Akira Dohi, Kazuyoshi Eshima