Patents by Inventor Naoko Hayasaka

Naoko Hayasaka 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).

  • Torque fluctuation absorber
    Patent number: 8696474
    Abstract: A torque fluctuation absorber includes a first annular member, a second annular member arranged to be axially separated from the first annular member, an annular and dish-shaped first disc spring arranged between the first annular member and the second annular member, a first support portion arranged between the first annular member and the first disc spring and being partially or continuously in contact with the first disc spring on a circle passing through a first predetermined radial portion of the first annular member, and a second support portion arranged between the second annular member and the first disc spring and being partially or continuously in contact with the first disc spring on a circle passing through a second predetermined radial portion of the second annular member, the second predetermined radial portion being radially different from the first predetermined radial portion of the first annular member.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: April 15, 2014
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Tomohiro Saeki, Satoshi Nakagaito, Naoko Hayasaka, Naoki Tachiuchi
  • TORQUE FLUCTUATION ABSORBER
    Publication number: 20120264522
    Abstract: A torque fluctuation absorber includes a first annular member, a second annular member arranged to be axially separated from the first annular member, an annular and dish-shaped first disc spring arranged between the first annular member and the second annular member, a first support portion arranged between the first annular member and the first disc spring and being partially or continuously in contact with the first disc spring on a circle passing through a first predetermined radial portion of the first annular member, and a second support portion arranged between the second annular member and the first disc spring and being partially or continuously in contact with the first disc spring on a circle passing through a second predetermined radial portion of the second annular member, the second predetermined radial portion being radially different from the first predetermined radial portion of the first annular member.
    Type: Application
    Filed: March 14, 2012
    Publication date: October 18, 2012
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Tomohiro Saeki, Satoshi Nakagaito, Naoko Hayasaka, Naoki Tachiuchi