Patents by Inventor Koutarou Okayasu

Koutarou Okayasu 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).

  • Air cleaner
    Patent number: 7993424
    Abstract: An air cleaner case of an air cleaner used in an engine provides a lower casing holding a cleaner element thereon, and a cover accommodating the cleaner element therein. The lower casing includes a base on which the cleaner element is mounted, an exhaust duct extending downward from the base so that air purified by the cleaner element is conveyed to the intake side of the engine, an inlet duct extending downward from the base along the exhaust duct, and an inlet cylinder extending upward into the accommodating chamber from the base so as to be continuous with the inlet duct.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: August 9, 2011
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Yasuharu Takeuchi, Minoru Toyoda, Koutarou Okayasu
  • Air Cleaner
    Publication number: 20090126678
    Abstract: An air cleaner case of an air cleaner used in an engine provides a lower casing holding a cleaner element thereon, and a cover accommodating the cleaner element therein. The lower casing includes a base on which the cleaner element is mounted, an exhaust duct extending downward from the base so that air purified by the cleaner element is conveyed to the intake side of the engine, an inlet duct extending downward from the base along the exhaust duct, and an inlet cylinder extending upward into the accommodating chamber from the base so as to be continuous with the inlet duct.
    Type: Application
    Filed: May 23, 2008
    Publication date: May 21, 2009
    Inventors: Yasuharu Takeuchi, Minoru Toyoda, Koutarou Okayasu