Patents by Inventor Yasutaka Hojo

Yasutaka Hojo 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 chain and power transmission system including the same chain
    Patent number: 8894524
    Abstract: A power transmission chain includes a plurality of link units which are aligned in a chain advancing direction, and each link unit includes a plurality of link plates which are aligned in a chain width direction W. The plurality of link plates include link plates which are punched out of a material by pressing to first and second specifications. A punching direction of the link plates to the first specification and a punching direction of the link plates to the second specification are made opposite to each other.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: November 25, 2014
    Assignees: JTEKT Corporation, Todo Kogyo Co., Ltd
    Inventors: Kozue Matsumoto, Seiji Tada, Shigeo Kamamoto, Yasutaka Hojo
  • POWER TRANSMISSION CHAIN AND POWER TRANSMISSION SYSTEM INCLUDING THE SAME CHAIN
    Publication number: 20100099531
    Abstract: A power transmission chain includes a plurality of link units which are aligned in a chain advancing direction, and each link unit includes a plurality of link plates which are aligned in a chain width direction W. The plurality of link plates include link plates which are punched out of a material by pressing to first and second specifications. A punching direction of the link plates to the first specification and a punching direction of the link plates to the second specification are made opposite to each other.
    Type: Application
    Filed: December 14, 2007
    Publication date: April 22, 2010
    Inventors: Kozue Matsumoto, Seiji Tada, Shigeo Kamamoto, Yasutaka Hojo