TREA

Kazuo Harada

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for granulating coal
    • Patent number 4,401,278
    • Issue date Aug 30, 1983
    • Hitachi Shipbuilding & Engineering Co., Ltd.
    • Etsuo Ogino
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for removing ash from coal
    • Patent number 4,389,306
    • Issue date Jun 21, 1983
    • Hitachi Shipbuilding & Engineering Co., Ltd.
    • Takeshi Nakanishi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Process for recovering fine coal particles from slurry of finely di...
    • Patent number 4,346,010
    • Issue date Aug 24, 1982
    • Hitachi Shipbuilding & Engineering Co., Ltd.
    • Etsuo Ogino
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...