Patents by Inventor Kojyu Tsukahara

Kojyu Tsukahara 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: 20120096852
    Abstract: An engine has a charging system in which pressurized air is supplied to an intake side of the engine through an intake air passage. An induction passage branches and extends from the middle of the intake air passage and is provided with a control valve. The induction passage is in communication with an exhaust passage. The induction passage supplies secondary air to the exhaust passage through the control valve to treat the engine's exhaust gas.
    Type: Application
    Filed: December 29, 2011
    Publication date: April 26, 2012
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Kojyu TSUKAHARA, Shigeyuki OZAWA
  • Publication number: 20100313857
    Abstract: An engine includes a charging system in which pressurized air is supplied to an intake side of the engine through an intake air passage. An induction passage branches and extends from the middle of the intake air passage and is provided with a control valve. The induction passage is in communication with an exhaust passage. The induction passage supplies secondary air to the exhaust passage through the control valve to treat the engine's exhaust gas.
    Type: Application
    Filed: August 24, 2010
    Publication date: December 16, 2010
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Kojyu TSUKAHARA, Shigeyuki OZAWA
  • Publication number: 20050204730
    Abstract: An engine has a charging system in which pressurized air is supplied to an intake side of the engine through an intake air passage. An induction passage branches and extends from the middle of the intake air passage and is provided with a control valve. The induction passage is in communication with an exhaust passage. The induction passage supplies secondary air to the exhaust passage through the control valve to treat the engine's exhaust gas.
    Type: Application
    Filed: March 15, 2005
    Publication date: September 22, 2005
    Inventors: Kojyu Tsukahara, Shigeyuki Ozawa