Patents by Inventor Shinichi Kajigaya

Shinichi Kajigaya 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).

  • Marine fenders
    Patent number: 5458077
    Abstract: A rubbery buckling-type marine fender such as cell-type hollow cylindrical marine fender, frustoconical-type hollow cylindrical marine fender, V-shaped marine fender or the like comprises a main rubber body portion, a securing flange portion, and a shock receiving portion, in which a rubber thickened region is formed in the inner peripheral surface of the main rubber body portion at a given position adjacent or close to a buckling point to prevent falling of reaction force during the buckling deformation.
    Type: Grant
    Filed: March 28, 1994
    Date of Patent: October 17, 1995
    Assignee: Bridgestone Corporation
    Inventors: Yasushi Enami, Shinichi Kajigaya, Masahiro Nakamura
  • Marine fenders
    Patent number: 4545316
    Abstract: A marine fender provided with a shock receiving plate is disclosed. In the marine fender, at least one rod member is embedded in a shock receiving portion along its side edge and connected to the shock receiving plate by means of connecting members.
    Type: Grant
    Filed: July 26, 1983
    Date of Patent: October 8, 1985
    Assignee: Bridgestone Tire Company Limited
    Inventors: Ikutoshi Yamaguchi, Shinichi Kajigaya
  • Marine fenders
    Patent number: 4515502
    Abstract: A marine fender is disclosed, which comprises a hollow cylindrical body composed of rubber or rubbery elastic material, each end of which being provided with a flange for a quay wall or a shock receiving member, an annular rigid reinforcing plate embedded in each flange, and a fillet reinforcement provided on a foot portion of each flange. In the marine fender, an annular groove is further formed in a region adjacent to the fillet reinforcement at each end of the body.
    Type: Grant
    Filed: October 16, 1981
    Date of Patent: May 7, 1985
    Assignee: Bridgestone Tire Company Limited
    Inventors: Shinichi Kajigaya, Mitsuo Nakaya
  • Hollow marine fender
    Patent number: 4355792
    Abstract: A hollow marine fender comprising a hollow cylindrical body formed of elastic rubber material. At least one end portion of a center surface of the hollow cylindrical body diverge toward the end thereof to form a horn-shaped portion.
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: October 26, 1982
    Assignee: Bridgestone Tire Company Limited
    Inventors: Yuji Fukuda, Shinichi Kajigaya
  • Dock fender
    Patent number: D260387
    Type: Grant
    Filed: December 7, 1978
    Date of Patent: August 25, 1981
    Assignee: Bridgestone Tire Company Limited
    Inventors: Yuji Fukuda, Shinichi Kajigaya
  • Boat fender
    Patent number: D313217
    Type: Grant
    Filed: August 17, 1988
    Date of Patent: December 25, 1990
    Assignee: Bridgestone Corporation
    Inventor: Shinichi Kajigaya