Patents by Inventor Kazuo Kataoka

Kazuo Kataoka 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).

  • Thin-walled ring-shaped member and method of manufacturing same
    Patent number: 6223574
    Abstract: A sheet of strip material of metal is coiled into a ring-like member, with a broader surface thereof being oriented in a radial direction. Opposite ends of the sheet of strip material are connected together by a joint. The joint includes a concave portion and a convex portion which are adapted to be engaged with each other against a repulsive force in a circumferential direction. The ring-like member is formed, on the inner periphery thereof, with teeth for engagement with a gear of a transmission, thereby producing a friction plate.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: May 1, 2001
    Assignee: Suncall Corporation
    Inventors: Keiichiro Teratoko, Kazuo Kataoka