Patents by Inventor Shoichiro Tozuka

Shoichiro Tozuka 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).

  • Fiber-reinforced composite structural element and method of manufacturing the same
    Patent number: 5981023
    Abstract: A box-shaped fibrous preform is produced by laying or superposing a plurality of reinforcing fibrous material layers (6a) on top of each other into a box-like shape. The box-shaped fibrous preform is used as an auxiliary member (1) or by cutting the box-like member into segments of a required shape. The auxiliary member (1) is combined with reinforcing fibrous material forming a main structural member. The auxiliary member and the main structural member are placed in a mold and a resin is supplied into the mold to carry out a resin-impregnating and curing operation.
    Type: Grant
    Filed: June 18, 1996
    Date of Patent: November 9, 1999
    Assignees: Japan Aircraft Development Corporation, Fuji Jukogyo Kabushiki Kaisha
    Inventors: Shoichiro Tozuka, Mitsuo Nishimoto, Kyoichi Masugi, Kazuaki Amaoka