Patents by Inventor Takahiro Yokoshima

Takahiro Yokoshima 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).

  • Reinforced flame-retardant polyester resin compositions
    Patent number: 5326806
    Abstract: Resin compositions comprising (A) a polyester, (B) a flame retardant, (C) an antimony compound, and (D) a filler selected from the group comprising magnesium silicate and mixtures of magnesium silicate with calcium metasilicate are disclosed. The disclosed compositions exhibit superior heat resistance, flame retardance, arc resistance and tracking resistance.
    Type: Grant
    Filed: December 23, 1992
    Date of Patent: July 5, 1994
    Assignee: General Electric Company
    Inventors: Takahiro Yokoshima, Takuro Kitamura
  • Aromatic polycarbonate resin composition
    Patent number: 5055523
    Abstract: An aromatic polycarbonate composition contains aromatic polycarbonate in which a ratio of the phenolic end group to the non-phenolic end group is at least 1/19, and a copolymer having epoxy or oxazolinyl group, aromatic vinyl-diene-vinyl cyanide copolymer or aromatic polyester, or glass filler. Compatability between the specific aromatic polycarbonate and the other resin, weld strength, melt stability or adhesion to glass filler are improved.
    Type: Grant
    Filed: March 15, 1990
    Date of Patent: October 8, 1991
    Assignee: CE Plastics Japan Limited
    Inventors: Kazushige Inoue, Akhiro Saito, Takorou Kitamura, Takashi Ohtomo, Hidenori Tazaki, Tetsuji Kodaira, Yumiko Yoshida, Hiromi Ishida, Takahiro Yokoshima, Hideyuki Itoi