Patents by Inventor Kaoru Mizuma

Kaoru Mizuma 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).

  • Metal cord for reinforcing rubber products
    Patent number: 4586324
    Abstract: A metal cord used as a reinforcement for rubber products. The cord includes a strand core composed of a plurality of metal wires stranded with each other. A plurality of metal wires are stranded around the strand core, forming a strand layer. The number of the metal wires which form the strand layer is less than 4 plus the number of the metal wires which form the strand core, and each of the metal wires which form both the strand core and layer has substantially the same diameter.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: May 6, 1986
    Assignee: Tokyo Rope Mfg. Co., Ltd.
    Inventor: Kaoru Mizuma