Patents by Inventor Yasuchika Hiyamori

Yasuchika Hiyamori 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).

  • Anticorrosion primer coating composition
    Patent number: 4111884
    Abstract: The present invention relates to an anticorrosion primer coating composition comprising (i) a polyvinyl butyral resin, (ii) a mixture of a borate compound and a molybdate compound or a polyphosphate compound, and (iii) phosphoric acid.
    Type: Grant
    Filed: April 6, 1977
    Date of Patent: September 5, 1978
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Katsuji Takase, Toshimoto Tsuji, Jun-ichi Fukuda, Yasuchika Hiyamori