Patents by Inventor Takayoshi Saiki

Takayoshi Saiki 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).

  • Ethylene propylene rubber composition
    Patent number: 5231128
    Abstract: An ethylene propylene rubber composition is disclosed, comprising 100 parts by weight of a polymer component, at least 5 parts by weight of a softener, and a hydrated magnesium silicate-based clay mineral in an amount of from 0.05 to 0.5 times the weight of said softener. The rubber composition provides a molded article free from bleeding of softeners.
    Type: Grant
    Filed: March 15, 1991
    Date of Patent: July 27, 1993
    Assignees: Toyoda Gosei Co., Ltd., Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Rikizou Nakata, Masataka Sasayama, Hidenori Hayashi, Takayoshi Saiki, Mitsumasa Horii, Masahiro Sugiura