Patents by Inventor Masao OTO

Masao OTO 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).

  • Hydraulic unit
    Patent number: 10807850
    Abstract: A hydraulic unit is provided with: a manifold which forms a hydraulic circuit; a tank which is joined to the manifold; and a hydraulic pump which suctions hydraulic fluid in the tank and supplies the hydraulic fluid to the manifold, wherein the base end portion of a suction strainer is fitted into the hydraulic pump, and the suction strainer has such a shape that the base end portion of the suction strainer is not separated from the hydraulic pump in a state where the leading end portion of the suction strainer is in contact with the tank and an opening through which the hydraulic fluid is introduced from the tank is provided at the leading end portion.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: October 20, 2020
    Assignee: SHIMADZU CORPORATION
    Inventors: Masao Oto, Hideki Higashi, Hiroyuki Nishida
  • HYDRAULIC UNIT
    Publication number: 20190202675
    Abstract: A hydraulic unit is provided with: a manifold which forms a hydraulic circuit; a tank which is joined to the manifold; and a hydraulic pump which suctions hydraulic fluid in the tank and supplies the hydraulic fluid to the manifold, wherein the base end portion of a suction strainer is fitted into the hydraulic pump, and the suction strainer has such a shape that the base end portion of the suction strainer is not separated from the hydraulic pump in a state where the leading end portion of the suction strainer is in contact with the tank and an opening through which the hydraulic fluid is introduced from the tank is provided at the leading end portion.
    Type: Application
    Filed: March 15, 2017
    Publication date: July 4, 2019
    Applicant: SHIMADZU CORPORATION
    Inventors: Masao OTO, Hideki HIGASHI, Hiroyuki NISHIDA