TREA

Akihide Watanabe

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  • Tsukuba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductor cooling apparatus
    • Patent number 4,977,444
    • Issue date Dec 11, 1990
    • Hitachi, Ltd.
    • Tadakatsu Nakajima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method for forming cast article by slip casting
    • Patent number 4,883,621
    • Issue date Nov 28, 1989
    • Hitachi, Ltd.
    • Tatsuo Natori
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Slip casting method
    • Patent number 4,871,497
    • Issue date Oct 3, 1989
    • Hitachi, Ltd.
    • Tatsuo Natori
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Process for preparing mold
    • Patent number 4,812,278
    • Issue date Mar 14, 1989
    • Hitachi, Ltd.
    • Tatsuo Natori
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Slip casting forming method and mold
    • Patent number 4,659,526
    • Issue date Apr 21, 1987
    • Hitachi, Ltd.
    • Takashi Shimaguchi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Slip casting mold
    • Patent number 4,604,141
    • Issue date Aug 5, 1986
    • Hitachi, Ltd.
    • Tatsuo Natori
    • B28 - WORKING CEMENT, CLAY, OR STONE