Patents by Inventor Katsuyoshi OOISHI

Katsuyoshi OOISHI 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).

  • Straddle-type vehicle
    Patent number: 9103278
    Abstract: An engine of a straddle-type vehicle includes first, second, and third cylinders arranged, in this order, from right to left in a front view of the vehicle; first, second, and third intake pipes in communication with the first, second, and third cylinders, respectively; and first, second, and third exhaust pipes in communication with the first, second, and third cylinders, respectively. The first, second, and third exhaust pipes have different lengths and the first, second, and third intake pipes have different lengths.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: August 11, 2015
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Yasutaka Yoshida, Masahito Kawase, Katsuyoshi Ooishi, Daisuke Hamada, Katsumi Fujimura
  • STRADDLE-TYPE VEHICLE
    Publication number: 20140345259
    Abstract: An engine of a straddle-type vehicle includes first, second, and third cylinders arranged, in this order, from right to left in a front view of the vehicle; first, second, and third intake pipes in communication with the first, second, and third cylinders, respectively; and first, second, and third exhaust pipes in communication with the first, second, and third cylinders, respectively. The first, second, and third exhaust pipes have different lengths and the first, second, and third intake pipes have different lengths.
    Type: Application
    Filed: April 1, 2014
    Publication date: November 27, 2014
    Applicant: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Yasutaka YOSHIDA, Masahito KAWASE, Katsuyoshi OOISHI, Daisuke HAMADA, Katsumi FUJIMURA