Patents by Inventor Naomasa Utsunomiya

Naomasa Utsunomiya 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).

  • Stiffened automobile body structure
    Patent number: 4402545
    Abstract: An automobile body panel having a pair of longitudinal rigid structural members and a pair of transverse rigid structural members at the peripheries thereof to define a panel section. The panel section is formed with a group of longitudinal beads extending from one of the transverse structural members toward the central portion of the panel and a group of transverse beads extending from one of the longitudinal structural members. The structure is effective to prevent resonant vibrations of the panel when the engine is in operation.
    Type: Grant
    Filed: February 24, 1981
    Date of Patent: September 6, 1983
    Assignee: Toyo Kogyo Co., Ltd.
    Inventors: Naomasa Utsunomiya, Yoshimitsu Tanaka