Patents by Inventor Naotake Marui

Naotake Marui 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 a wheel rim
    Patent number: 7523554
    Abstract: A method of manufacturing a wheel rim by bringing end faces of a workpiece into abutment against each other to form a hollow cylindrical body and forming a circumferential recess which is depressed from an outer circumferential wall of said hollow cylindrical body toward an inner circumferential wall thereof, including providing protrusions disposed near ends of a joined area of the hollow cylindrical body and extending in a joining direction, and then pressing the outer circumferential wall of the hollow cylindrical body to form the recess.
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: April 28, 2009
    Assignee: Honda Motor Co., Ltd.
    Inventors: Shizuo Kimura, Kenzo Takeda, Ikuo Kato, Yukio Uchiyama, Tadashi Goto, Nobuyuki Kakiya, Kiyoshi Satou, Naotake Marui, Shinichi Ohnaka, Tatsuo Yamanaka, Jin Fukuda, Taisei Wakisaka, Haruo Machida