TREA

Kaoru Umino

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Molding material
    • Patent number 4,755,228
    • Issue date Jul 5, 1988
    • Nichias Corporation
    • Seiji Sakurai
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Fibrous composite material for fused aluminum
    • Patent number 4,622,070
    • Issue date Nov 11, 1986
    • Nichias Corporation
    • Seiji Sakurai
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Method for the insulation of heated metalic materials
    • Patent number 4,504,527
    • Issue date Mar 12, 1985
    • The Japan Steel Works, Ltd.
    • Sadao Hara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...