Patents by Inventor Hidekatsu SAKAGUCHI

Hidekatsu SAKAGUCHI 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).

  • Cylindrical filtration filter
    Patent number: 10702809
    Abstract: A cylindrical filtration filter includes a cylindrical filter main body. The filter main body is constituted by at least two split filters. Each of the split filters has an arc shape in cross section. Each of the split filters includes a filter element for filtration and side frame bodies provided along side portions of the filter element. The side frame body of one of the two split filters adjacent to each other includes a first facing surface having an uneven shape. The side frame body of the other split filter includes a second facing surface having an uneven shape complementary to the first facing surface. The first facing surface and the second facing surface are fitted to each other when the filter main body is assembled.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: July 7, 2020
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Hidekatsu Sakaguchi, Yasuhito Matoba
  • Cylindrical Filtration Filter
    Publication number: 20190060800
    Abstract: A cylindrical filtration filter includes a cylindrical filter main body. The filter main body is constituted by at least two split filters. Each of the split filters has an arc shape in cross section. Each of the split filters includes a filter element for filtration and side frame bodies provided along side portions of the filter element. The side frame body of one of the two split filters adjacent to each other includes a first facing surface having an uneven shape. The side frame body of the other split filter includes a second facing surface having an uneven shape complementary to the first facing surface. The first facing surface and the second facing surface are fitted to each other when the filter main body is assembled.
    Type: Application
    Filed: August 22, 2018
    Publication date: February 28, 2019
    Inventors: Hidekatsu SAKAGUCHI, Yasuhito MATOBA