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Kenji Iwai

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  • Ichihara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polypropylene resin composition
    • Patent number 5,145,891
    • Issue date Sep 8, 1992
    • Chisso Corporation
    • Yoshiaki Yasukawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polypropylene resin composition
    • Patent number 5,145,892
    • Issue date Sep 8, 1992
    • Chisso Corporation
    • Yoshiaki Yasukawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Polypropylene interior parts for autocars
    • Patent number 4,638,030
    • Issue date Jan 20, 1987
    • Chisso Corporation
    • Hiroyoshi Asakuno
    • B60 - VEHICLES IN GENERAL