Patents by Inventor Masagoro Toyoshima

Masagoro Toyoshima 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).

  • Cushion body and method of forming same
    Patent number: 5233711
    Abstract: A cushion body including a continuous coil-spring assembly which comprises coil portions and linear connection portions, and a method for forming such cushion body. The continuous coil-spring assembly is pressingly inserted into a jig, and both jig and coil-spring assembly are subject to a low-temperature annealing treatment. Thus-treated coil-spring is then foamed with a urethane base material in a mold, so as to produce such sort of cushion body.
    Type: Grant
    Filed: May 10, 1991
    Date of Patent: August 10, 1993
    Assignee: Tachi-S Co., Ltd.
    Inventors: Muneharu Urai, Masagoro Toyoshima