Patents by Inventor Naofumi Imahigshi

Naofumi Imahigshi 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).

  • Patent number: 4183840
    Abstract: A composition comprising a poly(phenylene sulfide) resin powder and an aluminum oxide powder of colloidal size. The composition is useful as a powder coating composition. The composition exhibits improved adhesion to a substrate, even in hot water.
    Type: Grant
    Filed: January 20, 1978
    Date of Patent: January 15, 1980
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Minoru Takahashi, Osamu Ishii, Masanori Naito, Yoshinobu Kusuhara, Naofumi Imahigshi