Patents by Inventor Yuichiri Ishikawa

Yuichiri Ishikawa 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).

  • Publication number: 20120295747
    Abstract: An elongated stationary guide for a traveling transmission chain in an engine such as a timing chain has a narrow reinforcing groove formed along the longitudinal direction of a metal base plate of the guide by surface-pressing, whereby the base plate exhibits plastic deformation. The narrow reinforcing groove extends toward the ends of the base plate past the locations at which the base plate is mounted on an engine block by mounting bolts.
    Type: Application
    Filed: May 10, 2012
    Publication date: November 22, 2012
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventors: Yuichiri Ishikawa, Atsushi Hayami, Tadashi Shintani