Patents by Inventor Hiroyoshi Adachi

Hiroyoshi Adachi 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).

  • Golf ball
    Patent number: 4483537
    Abstract: The disclosed golf ball has a thermally cross-linked solid core with a diameter of 36.5-39.0 mm and a 1.8-2.3 mm thick shell covering the core, in which the composition of the core contains polybutadiene rubber, acrylic or methacrylic acid, an acrylic or methacrylic ester, and an organic peroxide, while the composition of the shell contains an ionomer resin, a metallic acrylate or methacrylate, and a coloring matter.
    Type: Grant
    Filed: June 24, 1982
    Date of Patent: November 20, 1984
    Assignee: Hayakawa Rubber Co., Ltd.
    Inventors: Hiroyoshi Hanada, Hiroyoshi Adachi