Patents by Inventor Masatoshi Wakamiya

Masatoshi Wakamiya 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).

  • Anchor box embedded in concrete
    Patent number: 4283899
    Abstract: An anchor box embedded in concrete comprising a trunk body for defining a fastening bolt insertion hole, and an anchor nut held by the rear portion of the trunk body and adapted to be threadedly engaged with the fastening bolt. The fastening bolt insertion hole is terminated at a temporary connection flange for temporarily connecting the trunk body to a face plate of a concrete placing mold frame.
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: August 18, 1981
    Assignee: Bridgestone Tire Co., Ltd.
    Inventor: Masatoshi Wakamiya
  • Marine fender
    Patent number: 4258641
    Abstract: A marine fender comprising a hollow cylindrical body formed of a resilient rubber block and an annular groove circumferentially extending along at least one end of the cylindrical inner wall of the hollow cylindrical body.
    Type: Grant
    Filed: November 3, 1978
    Date of Patent: March 31, 1981
    Assignee: Bridgestone Tire Company Limited
    Inventor: Masatoshi Wakamiya
  • Method of fixing connection parts of rubber offshore structures
    Patent number: 4143454
    Abstract: A method of fixing connection parts of rubber offshore structures is disclosed. The connection part of the rubber offshore structure is firmly fixed to a corresponding portion of a connecting part by means of a metal fixing member by covering the outer surface of the metal fixing member, after fastened, with a liquid rubber composition curable at room temperature.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: March 13, 1979
    Assignee: Bridgestone Tire Company Limited
    Inventors: Tadashi Utsunomiya, Shigeo Ueda, Kiyotaka Kamachi, Masatoshi Wakamiya