Patents by Inventor Takayasu KAWAKAMI

Takayasu KAWAKAMI 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: 10065265
    Abstract: A joined body is formed by joining end surfaces of two joining members to each other by a friction welding. The joined body includes a hollow portion formed on at least one of the two joining members, the hollow portion being configured to have an opening at the joining face between the two joining members. The joined body also includes an annular groove portion formed on an inner circumferential surface of the hollow portion at a position separated from a joining face in an axial direction.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: September 4, 2018
    Assignee: KYB Corporation
    Inventors: Takahiko Hara, Takayasu Kawakami, Hiroshi Oyama, Yusuke Takahashi, Kenichi Hiraki
  • Publication number: 20160008917
    Abstract: A joined body formed by joining end surfaces of two joining members to each other by a friction welding, the joined body includes a hollow portion formed on at least one of the two joining members, the hollow portion being configured to have an opening at the joining face between the two joining members; and an annular groove portion formed on an inner circumferential surface of the hollow portion at a position separated from a joining face in an axial direction.
    Type: Application
    Filed: March 27, 2014
    Publication date: January 14, 2016
    Applicant: KAYABA INDUSTRY CO., LTD.
    Inventors: Takahiko HARA, Takayasu KAWAKAMI, Hiroshi OYAMA, Yusuke TAKAHASHI, Kenichi HIRAKI