Patents Assigned to Yamaha Hatsudoki Kabushi Kaisha
  • SLIDING COMPONENT FOR INTERNAL COMBUSTION ENGINE, INTERNAL COMBUSTION ENGINE, TRANSPORTER, AND METHOD FOR PRODUCING THE SLIDING COMPONENT FOR INTERNAL COMBUSTION ENGINE
    Publication number: 20100275875
    Abstract: A sliding component for an internal combustion engine includes a component main body made of titanium or a titanium alloy, a surface hardened layer provided on a surface of the component main body, a diamond-like carbon film provided on the surface hardened layer, and a titanium layer provided between the surface hardened layer and the diamond-like carbon film.
    Type: Application
    Filed: December 15, 2009
    Publication date: November 4, 2010
    Applicant: Yamaha Hatsudoki Kabushi Kaisha
    Inventor: Kosuke Doi
  • Body frame for motorcycle
    Patent number: 7270210
    Abstract: A body frame for a motorcycle includes a main frame having a reinforcing member, which is a forged product, and a portion that requires a high strength against a shock load transmitted from a road surface. A pair of sidewalls and a connecting wall for connecting the sidewalls are also provided. The sidewalls create spaces opened outward in cross-section such that the connecting wall has an external face positioned in the portion that requires high strength.
    Type: Grant
    Filed: March 26, 2004
    Date of Patent: September 18, 2007
    Assignee: Yamaha Hatsudoki Kabushi Kaisha
    Inventor: Takehisa Katsura