Patents by Inventor Hiroshi Kashiwadani

Hiroshi Kashiwadani 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).

  • Method for forming polyphenylene sulfide resin coating on the surface of metal substrate
    Patent number: 4147819
    Abstract: An improved method for forming a coating of a polyphenylene sulfide on the surface of a metal substrate which comprises fusing a powder of polyphenylene sulfide to the surface of substrate metal and then curing the resin under heat; wherein the fused polyphenylene sulfide resin is solidified by quenching, and then heat-cured. This method permits increased operational efficiency and productivity over the prior technique.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: April 3, 1979
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yorio Hukumoto, Hiroshi Kashiwadani, Shuji Hiramatsu