Patents by Inventor Hidehiko Masunaga

Hidehiko Masunaga 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).

  • Patent number: 4666782
    Abstract: A vulcanized rubber article which comprises a vulcanized rubber layer, and non-porous and homogenized thermoplastic polyurethane layer(s) having an average thickness of 0.02-1.0 mm on at least one surface of the vulcanized rubber layer, said polyurethane layer(s) being integrally fused to the vulcanized rubber and the peeling strength between the rubber layer and the polyurethane layer being at least 1.2 kg/cm, and a process for production thereof. The article simplifies the process for production of shoes and makes the control of the process of production readily, and provide a final production having an excellent flexibility, flexing resistance, friction resistance, oil resistance, cleavage resistance against ozone and the like.
    Type: Grant
    Filed: July 26, 1985
    Date of Patent: May 19, 1987
    Assignees: Kuraray Co., Ltd., Moon Star Chemical Corporation
    Inventors: Hiroshi Tada, Masanari Kido, Hidehiko Masunaga, Toshiaki Iwamoto, Tuneyoshi Ishimoto, M. Matsui