Patents by Inventor Yasunori Hashigaki

Yasunori Hashigaki 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).

  • Lubrication system for a vertical shaft engine
    Patent number: 4664228
    Abstract: A lubrication system for a vertical shaft engine includes a crank case having an upper and a lower wall, a vertical crank shaft, a vertical balancing shaft, each pair of upper and lower bosses formed in said upper and lower walls for rotatably supporting these shafts an oil pump having a drive shaft housed in a lower boss for supporting said balancing shaft, and adopted to be driven by said balancing shaft, and an oil feeding passage for feeding lubricating oil from said pump to any part desired to be lubricated in said engine.
    Type: Grant
    Filed: October 15, 1985
    Date of Patent: May 12, 1987
    Assignee: Kubota Ltd.
    Inventors: Yasunori Hashigaki, Tatsutoshi Umeda
  • Runner-type lubricating device for vertical engine
    Patent number: 4426964
    Abstract: A runner-type lubricating device for a vertical engine, in which a power gear is secured to a rotary shaft and properly meshed with a driven gear secured to a runner, with a bracket for pivotally supporting the runner secured to a crank case by a fixing means.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: January 24, 1984
    Assignee: Kubota, Ltd.
    Inventors: Tatsutoshi Umeda, Yasunori Hashigaki
  • Internal combustion engine
    Patent number: D305432
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: January 9, 1990
    Assignee: Kubota, Ltd.
    Inventor: Yasunori Hashigaki