Patents by Inventor Masahiro Fukuyama

Masahiro Fukuyama 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: 4820774
    Abstract: A vulcanizable elastomer composition comprising an .alpha.-olefin copolymer comprising ethylene and an .alpha.-olefin(s) and an ethylene copolymer comprising ethylene and at least one member selected from the group consisting of acrylic and methacrylic esters, which has an excellent roll-processability and gives by vulcanization an elastomeric material having well-balanced properties in respect of resistance to heat and oil, low-temperature property and the like.
    Type: Grant
    Filed: October 14, 1987
    Date of Patent: April 11, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroyoshi Takao, Yoshio Tanimoto, Kiyosi Ikeda, Masahiro Fukuyama