TREA

Tsutomu Nagahata

Follow

Person

  • Osaka, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Molten metal discharging device
    • Patent number 4,632,283
    • Issue date Dec 30, 1986
    • Toshiba Ceramics Co., Ltd.
    • Kazumi Arakawa
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Molten metal discharging device
    • Patent number 4,583,721
    • Issue date Apr 22, 1986
    • Toshiba Ceramics Co., Ltd.
    • Kazumi Arakawa
    • B22 - CASTING POWDER METALLURGY