Patents by Inventor Kiyokazu Nakamori

Kiyokazu Nakamori 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: 5234770
    Abstract: A polyarylene sulfide resin composition comprises (A) 100 parts by weight of a polyarylene sulfide resin and (B) 0.05 to 100 parts by weight of at least one gas-trapping agent selected from zinc carbonate, zinc hydroxide and a complex salt of zinc carbonate and zinc hydroxide. It further comprises up to 400 parts by weight of an inorganic filler other than the gas-trapping agent (B) in way of material, the filler being in the form of fibers, particles and/or plates.
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: August 10, 1993
    Assignee: Polyplastics Co., Ltd.
    Inventors: Toshikatsu Nitoh, Kiyokazu Nakamori, Yoshihito Tsukamoto