Masao Koga

Person

  • Chiba, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Ethylene-acrylic copolymer rubber composition

    • Patent number 7,056,986
    • Issue date Jun 6, 2006
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Yasuhiro Kanba
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for producing a carboxyl group containing rubber

    • Patent number 6,984,681
    • Issue date Jan 10, 2006
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Shogo Hagiwara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Acrylic rubber and its composition

    • Patent number 6,407,179
    • Issue date Jun 18, 2002
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Shogo Hagiwara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Copolymer of chloroprene and .alpha.-cyanoacrylate

    • Patent number 5,824,758
    • Issue date Oct 20, 1998
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Yoshihiro Mashiko
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for producing a polychloroprene latex

    • Patent number 5,681,891
    • Issue date Oct 28, 1997
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Mikitoshi Satoh
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for producing a polychloroprene latex

    • Patent number 5,661,205
    • Issue date Aug 26, 1997
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Mikitoshi Satoh
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Chloroprene polymer composition and process for its production

    • Patent number 5,624,993
    • Issue date Apr 29, 1997
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Tsuyoshi Tsuji
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Chloroprene polymer composition and process for its production

    • Patent number 5,567,771
    • Issue date Oct 22, 1996
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Tsuyoshi Tsuji
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubbery polymer composition

    • Patent number 4,517,348
    • Issue date May 14, 1985
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Kohki Takahashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Rubbery polymer composition

    • Patent number 4,303,560
    • Issue date Dec 1, 1981
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Kohki Takahashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents