TREA

Hirokichi Saito

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  • Shimizu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching valves
    • Patent number 4,164,956
    • Issue date Aug 21, 1979
    • Ihara Chemical Industry Co. Ltd.
    • Akio Takahashi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process for producing urethane elastomer
    • Patent number 4,107,151
    • Issue date Aug 15, 1978
    • Ihara Chemical Company Co., Ltd.
    • Akio Takahashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Mixing apparatus
    • Patent number 4,106,115
    • Issue date Aug 8, 1978
    • Ihara Chemical Industry Co. Ltd.
    • Akio Takahashi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL