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Yoshijiro Oyaizu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyurethaneurea elastomer
    • Patent number 5,410,009
    • Issue date Apr 25, 1995
    • Ihara Chemical Industry Co., Ltd.
    • Kaneyoshi Kato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polyurea resin
    • Patent number 5,086,153
    • Issue date Feb 4, 1992
    • Ihara Chemical Industry Co., Ltd.
    • Yoshijiro Oyaizu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polyurea resin
    • Patent number 5,039,775
    • Issue date Aug 13, 1991
    • Ihara Chemical Industry Co., Ltd.
    • Yoshijiro Oyaizu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for adhering polyurethane elastomer to metal
    • Patent number 4,542,070
    • Issue date Sep 17, 1985
    • Mitsubishi Chemical Industries Ltd.
    • Masaaki Ohtani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polyurethane elastomer by mixing a hardener c...
    • Patent number 4,327,204
    • Issue date Apr 27, 1982
    • Ihara Chemical Industry Co., Ltd.
    • Yoshijiro Oyaizu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • 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-...