TREA

Masayoshi Izumi

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  • Ayase, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat-resistant shift member
    • Patent number 4,551,393
    • Issue date Nov 5, 1985
    • Oiles Industry Co., Ltd.
    • Kikuo Sumiyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Heat-resistant shift member
    • Patent number 4,547,434
    • Issue date Oct 15, 1985
    • Oiles Industry Co., Ltd.
    • Kikuo Sumiyoshi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES