TREA

Tsuyoshi Asai

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  • Itami, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Throw away cutting tool
    • Patent number 5,054,967
    • Issue date Oct 8, 1991
    • Sumitomo Electric Industries, Ltd.
    • Kazuo Noguchi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Throw away cutting tool
    • Patent number 4,909,677
    • Issue date Mar 20, 1990
    • Sumitomo Electric Industries, Ltd.
    • Kazuo Noguchi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hard alloy containing molybdenum
    • Patent number 4,639,352
    • Issue date Jan 27, 1987
    • Sumitomo Electric Industries, Ltd.
    • Mitsuo Kodama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Hard alloy and a process for the production of the same
    • Patent number 4,290,807
    • Issue date Sep 22, 1981
    • Sumitomo Electric Industries, Ltd.
    • Tsuyoshi Asai
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Sintered hard metal and the method for producing the same
    • Patent number 4,279,651
    • Issue date Jul 21, 1981
    • Sumitomo Electric Industries, Ltd.
    • Naoji Fujimori
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Sintered hard metal and the method for producing the same
    • Patent number 4,277,283
    • Issue date Jul 7, 1981
    • Sumitomo Electric Industries, Ltd.
    • Masaaki Tobioka
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Surface-coated sintered hard body
    • Patent number 4,239,536
    • Issue date Dec 16, 1980
    • Sumitomo Electric Industries, Ltd.
    • Takaharu Yamamoto
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Cemented carbonitride alloys containing tantalum
    • Patent number 4,120,719
    • Issue date Oct 17, 1978
    • Sumitomo Electric Industries, Ltd.
    • Toshio Nomura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...