Patents by Inventor Osamu Shimase

Osamu Shimase 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).

  • Friction member
    Patent number: 6455145
    Abstract: This invention intends to provide a friction member which is high in an anti-fading character and low in mate attacking character. For such purpose, in a friction member composed of a fiber containing substrate, a bonding agent and a filling agent, an accumulated blow hole rate of blow holes having hole diameter not less than 3.5 &mgr;m is selected to be not larger than 2 volume %, and an accumulated blow hole rate of blow holes having hole diameter from 0 to 3.5 &mgr;m is selected to be not less than 3 volume %.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: September 24, 2002
    Assignees: Aisin Kako Kabushiki Kaisha, Aisin Seiki Kabushiki Kaisha
    Inventors: Masahito Mizuno, Osamu Shimase, Katsumi Uemura, Satoshi Narazaki