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Tatsumi Urita

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Patents Grantslast 30 patents

  • Information Patent Grant

    Cast cold tool and method for producing the same
    • Patent number 6,024,916
    • Issue date Feb 15, 2000
    • Daido Tokushuko Kabushiki Kaisha
    • Tatsumi Urita
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Steel for induction hardening
    • Patent number 5,223,049
    • Issue date Jun 29, 1993
    • Daido Tokushuko Kabushiki Kaisha
    • Tatsumi Urita
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...