Patents by Inventor Eita HAMADA

Eita HAMADA 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).

  • Case component of transaxle
    Patent number: 10823274
    Abstract: A case component of a transaxle includes: a bearing unit having a through-hole through with a shaft member is to be inserted; a matching surface unit having a matching surface on which another member is to be overlapped; bolt hole portions formed on the matching surface unit; bent wall portions, each having a V-shaped or U-shaped cross-section cut in a direction orthogonal to a straight line connecting a shaft center of the bearing unit and a shaft center of the bolt hole portions, each having a valley portion positioned on the straight line, and connecting the bearing unit and the respective bolt hole portions; and V-shaped portions, connected with the respective bent wall portions, provided on an outer circumference of the respective bolt hole portions, and protruding toward the bearing unit.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: November 3, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.
    Inventors: Tomohiro Abe, Hiroaki Kimura, Hiroto Hashimoto, Takayuki Teramoto, Eita Hamada, Fumiaki Shigematsu
  • CASE COMPONENT OF TRANSAXLE
    Publication number: 20190293168
    Abstract: A case component of a transaxle includes: a bearing unit having a through-hole through with a shaft member is to be inserted; a matching surface unit having a matching surface on which another member is to be overlapped; bolt hole portions formed on the matching surface unit; bent wall portions, each having a V-shaped or U-shaped cross-section cut in a direction orthogonal to a straight line connecting a shaft center of the bearing unit and a shaft center of the bolt hole portions, each having a valley portion positioned on the straight line, and connecting the bearing unit and the respective bolt hole portions; and V-shaped portions, connected with the respective bent wall portions, provided on an outer circumference of the respective bolt hole portions, and protruding toward the bearing unit.
    Type: Application
    Filed: February 25, 2019
    Publication date: September 26, 2019
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.
    Inventors: Tomohiro ABE, Hiroaki KIMURA, Hiroto HASHIMOTO, Takayuki TERAMOTO, Eita HAMADA, Fumiaki SHIGEMATSU