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Tetsuya Yoshihara

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flow rate adjusting for rotary nozzle type molten metal pouring unit
    • Patent number 5,709,807
    • Issue date Jan 20, 1998
    • NKK Corporation
    • Tetsuya Yoshihara
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Door-type rotary nozzle
    • Patent number 4,991,753
    • Issue date Feb 12, 1991
    • NKK Corporation
    • Hisao Inubushi
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Rotary nozzles
    • Patent number 4,978,040
    • Issue date Dec 18, 1990
    • NKK Corporation
    • Hisao Inubushi
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Rotary nozzle system
    • Patent number 4,732,304
    • Issue date Mar 22, 1988
    • Nippon Kokan Kabushiki Kaisha
    • Tetsuya Yoshihara
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Rotary nozzle system for metallurgical vessels
    • Patent number 4,591,080
    • Issue date May 27, 1986
    • Nippon Kokan Kabushiki Kaisha
    • Tetsuya Yoshihara
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Dual door type rotary nozzle
    • Patent number 4,498,611
    • Issue date Feb 12, 1985
    • Nippon Kokan Kabushiki Kaisha
    • Tetsuya Yoshihara
    • B22 - CASTING POWDER METALLURGY