Patents by Inventor Hiroshi Jonen

Hiroshi Jonen 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).

  • Power transmission belt
    Patent number: 5860883
    Abstract: A power transmission belt has a body with a) a cushion rubber layer and b) a compression rubber layer disposed on the cushion rubber layer. The cushion rubber layer has load carrying cords embedded therein and a first rubber composition including a hydrogenated nitrile rubber, an unsaturated carboxylic acid metal salt, silica, and inorganic peroxide. The compression rubber layer has a second rubber composition including a hydrogenated nitrile rubber, an unsaturated carboxylic acid metal salt, and an organic peroxide.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: January 19, 1999
    Assignee: Mitsuboshi Belting Ltd.
    Inventors: Hiroshi Jonen, Yoshiaki Onaka, Takehiko Ito, Hideaki Kawano, Yukitoshi Kanai