Patents by Inventor Shintaro Yoshinaga

Shintaro Yoshinaga 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).

  • Method of manufacturing constituent member of constant-velocity joint
    Patent number: 11859676
    Abstract: A method of manufacturing a constituent member of a constant-velocity joint includes: performing plastic working; and performing hardening of a material. The plastic working is performed with a material of the constituent member heated to a predetermined working temperature range. The hardening of the material is performed by utilizing heat applied for heating to the working temperature range in performing the plastic working as heat for the hardening of the material and cooling the material after performing the plastic working.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: January 2, 2024
    Assignee: JTEKT CORPORATION
    Inventors: Motonori Nakao, Yohei Fukumoto, Koji Hamajima, Keiichi Kamata, Kenjiro Ikeda, Shintaro Yoshinaga
  • METHOD OF MANUFACTURING CONSTITUENT MEMBER OF CONSTANT-VELOCITY JOINT
    Publication number: 20200200224
    Abstract: A method of manufacturing a constituent member of a constant-velocity joint includes: performing plastic working; and performing hardening of a material. The plastic working is performed with a material of the constituent member heated to a predetermined working temperature range. The hardening of the material is performed by utilizing heat applied for heating to the working temperature range in performing the plastic working as heat for the hardening of the material and cooling the material after performing the plastic working.
    Type: Application
    Filed: December 13, 2019
    Publication date: June 25, 2020
    Applicant: JTEKT CORPORATION
    Inventors: Motonori NAKAO, Yohei Fukumoto, Koji Hamajima, Keiichi Kamata, Kenjiro Ikeda, Shintaro Yoshinaga