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Katsuhiko Sumida

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Patents Grantslast 30 patents

  • Information Patent Grant

    Resin composition for white marking
    • Patent number 6,420,449
    • Issue date Jul 16, 2002
    • Daicel Chemical Industries, Ltd.
    • Hiroshi Sagane
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Easy tearable films and method of producing the same
    • Patent number 6,054,209
    • Issue date Apr 25, 2000
    • Daicel Chemical Industries, Ltd.
    • Shinichiro Imanishi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Easy tearable films and method of producing the same
    • Patent number 6,045,902
    • Issue date Apr 4, 2000
    • Daicel Chemical Industries Ltd.
    • Shinichiro Imanishi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of manufacturing laminated films
    • Patent number 5,614,141
    • Issue date Mar 25, 1997
    • Daicel Chemical Industries, Ltd.
    • Katsuhiko Sumida
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of manufacturing laminated films
    • Patent number 5,405,565
    • Issue date Apr 11, 1995
    • Daicel Chemical Industries, Ltd.
    • Katsuhiko Sumida
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Composite films
    • Patent number 5,364,669
    • Issue date Nov 15, 1994
    • Daicel Chemical Industries, Ltd.
    • Katsuhiko Sumida
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Composite metal sheets
    • Patent number 5,360,647
    • Issue date Nov 1, 1994
    • Daicel Chemical Industries, Ltd.
    • Katsuhiko Sumida
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Polyester-grafted polyamide, process for preparing the same, and th...
    • Patent number 5,317,066
    • Issue date May 31, 1994
    • Daicel Chemical Industries, Ltd.
    • Kazushi Watanabe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...