Patents by Inventor Yasuhisa Kamiya

Yasuhisa Kamiya 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).

  • Front cover for a torque converter and method of processing the same
    Patent number: 4512449
    Abstract: A front cover affixed to the pump impeller of a torque converter, provided with a flat annular flat annular surface to be engaged with the clutch disk of a direct-coupling clutch formed within the torque converter.The flat annular surface is formed in a flat and annular surface having a hard and compact metallographic structure by rolling a rolling tool made of a extremely hard material on the flat annular surface under a pressure and by thus causing plastic deformation of the flat annular surface. An intermediate part of an arcuate section of a small radius is formed between the periphery of said flat annular surface and a connecting part adjacent to the flat annular surface.
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: April 23, 1985
    Assignee: Aisin Warner Kabushiki Kaisha
    Inventors: Jiro Motomura, Yasuhisa Kamiya, Seiichi Nishikawa