Patents by Inventor Kouich Sagisaka

Kouich Sagisaka 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: 5153247
    Abstract: There is disclosed a polycarbonate composition which comprises having a melt flow rate of 5 to 50 g/10 min and composed of:(a) 30 to 65 parts by weight of a thermoplastic aromatic polycarbonate,(b) 70 to 35 parts by weight of glass fibers with an average diameter of 3 to 15 .mu.m, and(c) 0.01 to 15 parts by weight of at least one component selected from the group consisting of (c-1) to (c-3) shown below formulated therein based on 100 parts by weight of the total amount of (a) and (b):(c-1) 0.3 to 10 parts by weight of a brominated polystyrene with an average particle size of 0.1 to 50 .mu.m;(c-2) 0.3 to 10 parts by weight of zinc sulfide with an average particle size of 0.1 to 50 .mu.m; and(c-3) 0.01 to 5 parts by weight of a melamine-cyanuric acid adduct with an average particle size of 0.1 to 50 .mu.m.
    Type: Grant
    Filed: December 11, 1991
    Date of Patent: October 6, 1992
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Michiya Okamura, Hiroshi Yui, Takeshi Hatakeyama, Michio Ohmori, Kouich Sagisaka, Kazuyuki Hata, Katsuhiko Yamada, Kazuhide Hayama