Patents by Inventor Ozamu Ozawa

Ozamu Ozawa 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).

  • Rubber compositions
    Patent number: 5830946
    Abstract: A rubber composition comprises a hydrogenated NBR, zinc dimethacrylate, zinc diacrylate, or an admixture thereof, an epoxy compound and an organic peroxide vulcanizer. A hose is also provided, comprising an inner tube, a reinforcement layer and an outer tube, at least the inner tube being formed from the above rubber composition.
    Type: Grant
    Filed: October 22, 1996
    Date of Patent: November 3, 1998
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Ozamu Ozawa, Katsuki Hayashida, Tomoji Saitoh