Patents by Inventor Kenji Hirakuni

Kenji Hirakuni 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 and method for fabricating the same
    Patent number: 9625002
    Abstract: A power transmission belt includes a transparent or semitransparent sheet material covering a portion of a surface of a belt body including a mark. At least a portion of the belt body covered with the sheet material is made of a rubber composition vulcanized with sulfur. The sheet material is made of a rubber material containing a diene rubber. The sheet material is vulcanized with sulfur together with the rubber composition forming the portion of the belt body covered with the sheet material such that the sheet material is connected to the belt body.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: April 18, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yoshinori Yamaji, Kenji Hirakuni
  • POWER TRANSMISSION BELT AND METHOD FOR FABRICATING THE SAME
    Publication number: 20150105198
    Abstract: A power transmission belt includes a transparent or semitransparent sheet material covering a portion of a surface of a belt body including a mark. At least a portion of the belt body covered with the sheet material is made of a rubber composition vulcanized with sulfur. The sheet material is made of a rubber material containing a diene rubber. The sheet material is vulcanized with sulfur together with the rubber composition forming the portion of the belt body covered with the sheet material such that the sheet material is connected to the belt body.
    Type: Application
    Filed: December 17, 2014
    Publication date: April 16, 2015
    Inventors: Yoshinori Yamaji, Kenji Hirakuni