Patents by Inventor Mitsuyuki Nakada

Mitsuyuki Nakada 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).

  • Chloroprene type rubber composition
    Patent number: 6495625
    Abstract: A chloroprene type rubber composition which comprises a chloroprene type rubber, a carbon black having an average stacking height Lc of at least 2 nm in a C axis direction of the layer planes in the crystallites, and a zinc powder.
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: December 17, 2002
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yasushi Abe, Mitsuyuki Nakada, Isao Yamagishi, Kazuomi Aoki
  • Chloroprene rubber composition
    Patent number: 6147154
    Abstract: A chloroprene rubber composition which contains carbon black and of which the breaking elongation A and the static modulus in shear B of the vulcanizate satisfy the following formula:A.gtoreq.-36.4.times.B+1090 (1)where A is the breaking elongation (%) and B is the static modulus in shear (kgf/cm.sup.2).
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: November 14, 2000
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Nobuhiko Fujii, Mitsuyuki Nakada, Kazuomi Aoki
  • Chloroprene rubber composition
    Patent number: 6040377
    Abstract: A chloroprene rubber composition which contains carbon black and of which the breaking elongation A and the static modulus in shear B of the vulcanizate satisfy the following formula:A.gtoreq.-36.4.times.B+1090 (1)where A is the breaking elongation (%) and B is the static modulus in shear (kgf/cm.sup.2).
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: March 21, 2000
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Nobuhiko Fujii, Mitsuyuki Nakada, Kazuomi Aoki