Patents by Inventor Kousuke Urushihara

Kousuke Urushihara 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).

  • Engine control device and engine control method for straddle type vehicle
    Patent number: 7267102
    Abstract: An engine control device responsive to a rider's accelerator operation. Throttle opening is controlled such that engine torque increases in response to an increase in accelerator displacement for all engine speeds. At least when the engine speed is in a low-speed range, the engine torque approximates a maximum torque value in the range in which the accelerator displacement is small, and thereafter the engine torque is controlled to gradually increase to the maximum toque value in response to an increase in the accelerator displacement. The accelerator displacement and the throttle opening that is set correspondingly to the accelerator displacement are stored in a storage means in advance as map data relative to each engine speed.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: September 11, 2007
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Takeshi Matsuda, Tadayuki Yuuki, Kousuke Urushihara
  • Engine control device and engine control method for straddle type vehicle
    Publication number: 20060247840
    Abstract: An engine control device responsive to a rider's accelerator operation. Throttle opening is controlled such that engine torque increases in response to an increase in accelerator displacement for all engine speeds. At least when the engine speed is in a low-speed range, the engine torque approximates a maximum torque value in the range in which the accelerator displacement is small, and thereafter the engine torque is controlled to gradually increase to the maximum toque value in response to an increase in the accelerator displacement. The accelerator displacement and the throttle opening that is set correspondingly to the accelerator displacement are stored in a storage means in advance as map data relative to each engine speed.
    Type: Application
    Filed: April 18, 2006
    Publication date: November 2, 2006
    Inventors: Takeshi Matsuda, Tadayuki Yuuki, Kousuke Urushihara