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Hideo Negawa

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  • Toyonaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyolefin resin composition and resin film
    • Patent number 5,851,682
    • Issue date Dec 22, 1998
    • Sumitomo Chemical Company, Limited
    • Kozo Kotani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Infrared absorbing film improved in transparency
    • Patent number 5,256,473
    • Issue date Oct 26, 1993
    • Sumitomo Chemical Company, Limited
    • Kozo Kotani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Agricultural film
    • Patent number 5,110,860
    • Issue date May 5, 1992
    • Sumitomo Chemical Company, Limited
    • Kozo Kotani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Mulching film for repelling insect pests
    • Patent number 4,920,692
    • Issue date May 1, 1990
    • Sumitomo Chemical Company, Limited
    • Shuji Kitamura
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Insect pest-repelling film or sheet
    • Patent number 4,826,729
    • Issue date May 2, 1989
    • Sumitomo Chemical Company, Limited
    • Shuji Kitamura
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING