Patents by Inventor Katsuyoshi Yada

Katsuyoshi Yada 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).

  • Copper conductive coating composition
    Patent number: 4921623
    Abstract: A copper-type conductive coating composition which comprises:(A) a copper powder,(B) a coating binder resin, and(C) at least one number selected from the group consisting of salicylic acid, its specific derivatives, and benzotriazolecarboxylic acid hydrazides.The copper-type conductive coating composition provides a conductive coating layer having excellent initial conductivity and capable of maintaining the level of it stable over a long period of the time.
    Type: Grant
    Filed: July 21, 1988
    Date of Patent: May 1, 1990
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Shoji Yamaguchi, Kimiko Yamada, Katsuyoshi Yada, Koichi Sakaguchi, Hiromu Inoue