Patents by Inventor Kinrou Hashimoto

Kinrou Hashimoto 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: 4491621
    Abstract: An oil resistant diaphragm having a liquid contacting surface made of a vulcanized rubber composition of, or composed mainly of, partially hydrogenated unsaturated nitrile-conjugated diene copolymer rubber in which at least 50% of the conjugated diene units is hydrogenated. This diaphragm is superior in resistance to deteriorated gasoline and low temperature, and is suitable for the automobile fuel pump.
    Type: Grant
    Filed: November 19, 1982
    Date of Patent: January 1, 1985
    Assignees: Toyoda Gosei Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Tadaoki Okumoto, Masatoshi Sugimoto, Noriyuki Horiuchi, Seiichi Sahara, Tetsuo Yamada, Kinrou Hashimoto, Masayoshi Ichikawa, Fujio Ninomiya
  • Patent number: 4486480
    Abstract: An oil resistant rubber hose having an internal layer made of a vulcanized rubber composition of, or composed mainly of, partially hydrogenated unsaturated nitrile-conjugated diene copolymer rubber in which at least 50% of the conjugated diene units is hydrogenated. This rubber hose is superior in resistance to deteriorated gasoline and low temperature, and is suitable for the automobile fuel line.
    Type: Grant
    Filed: November 19, 1982
    Date of Patent: December 4, 1984
    Assignees: Toyoda Gosei Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Tadaoki Okumoto, Masatoshi Sugimoto, Takashi Kawazoe, Seiichi Sahara, Tetsuo Yamada, Kinrou Hashimoto, Masayoshi Ichikawa, Kenichi Funato