Patents by Inventor Teruo Matsukawa

Teruo Matsukawa 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).

  • Dry friction material
    Patent number: 5308392
    Abstract: A dry friction material comprises fiber base material, bonding agent, friction conditioner and filler. The dry friction material contains 2 to 20% by weight of a tin alloy in which the fusing point is more than 500.degree. C. and the hardness is less than 4 Moh's. The dry friction material shows excellent friction characteristics when the load is low or average.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: May 3, 1994
    Assignee: Aisin Kako Kabushiki Kaisha
    Inventors: Kazuya Morita, Teruo Matsukawa, Mikio Harada