Patents by Inventor Mitsuaki Andoh

Mitsuaki Andoh 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).

  • Multi-layered sintered sliding member
    Patent number: 5126212
    Abstract: Disclosed herein is a (1) A multi-layered sintered sliding member comprising a back metal composed of a steel plate having (i) a plurality of independent protrusions formed at a surface thereof or (ii) a continuous protrusion and a plurality of independent recesses defined with said protrusions at the surface thereof and a sintered alloy layer formed integrally by securing on the surface of said back metal covering the surface of said protrusions, in which said sintered alloy layer is composed of a low density alloy region and a high density alloy region.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: June 30, 1992
    Assignee: Oiles Corporation
    Inventors: Shinji Yamada, Hideo Ozawa, Mitsuaki Andoh, Yasuhiro Shirasaka, Hideyuki Morioka