Patents by Inventor Kazuyoshi Shibagaki

Kazuyoshi Shibagaki 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).

  • Circuit substrate with resistance layer and process for producing the same
    Patent number: 4532186
    Abstract: A circuit substrate with a resistance layer and a process for producing the same are disclosed. The circuit substrate comprises an electrically insulating layer, a resistance layer bonded to at least one surface of the electrically insulating layer and a highly conductive material layer bonded to the resistance layer, and has a high sheet resistance value. The resistance layer comprises an alloy containing tin, nickel, sulfur and optionally specific elements.
    Type: Grant
    Filed: June 16, 1983
    Date of Patent: July 30, 1985
    Assignee: Nitto Electric Industrial Co., Ltd.
    Inventors: Kazuyoshi Shibagaki, Yoshihisa Mori, Takahiko Moriuchi