Patents by Inventor Ren AGATSUMA

Ren AGATSUMA 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).

  • Patent number: 10563749
    Abstract: A power transmission device that includes a differential ring gear that meshes with a drive pinion gear to which power from a transmission is transmitted; a differential gear including a differential case coupled to the differential ring gear; a case that houses the differential ring gear and the differential gear; and a resinous partition that partitions an inside of the case into a differential chamber where the differential ring gear and the differential gear are placed and a working oil reservoir chamber to reserve working oil, wherein the partition includes a magnetic plate fixed to a lower part of a side surface thereof that faces the working oil reservoir chamber, and a magnet magnetically attracted and attached to the magnetic plate.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: February 18, 2020
    Assignee: AISIN AW CO., LTD.
    Inventors: Akira Noguchi, Tomoki Nishikubo, Ren Agatsuma
  • Publication number: 20180163843
    Abstract: A power transmission device that includes a differential ring gear that meshes with a drive pinion gear to which power from a transmission is transmitted; a differential gear including a differential case coupled to the differential ring gear; a case that houses the differential ring gear and the differential gear; and a resinous partition that partitions an inside of the case into a differential chamber where the differential ring gear and the differential gear are placed and a working oil reservoir chamber to reserve working oil, wherein the partition includes a magnetic plate fixed to a lower part of a side surface thereof that faces the working oil reservoir chamber, and a magnet magnetically attracted and attached to the magnetic plate.
    Type: Application
    Filed: July 26, 2016
    Publication date: June 14, 2018
    Applicant: AISIN AW CO., LTD.
    Inventors: Akira NOGUCHI, Tomoki NISHIKUBO, Ren AGATSUMA