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Katsumi Muroi

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  • Kudamatsu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Upgrading method of low-rank coal
    • Patent number 4,559,060
    • Issue date Dec 17, 1985
    • Hitachi, Ltd.
    • Katsumi Muroi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Method of coal upgrading
    • Patent number 4,523,927
    • Issue date Jun 18, 1985
    • Hitachi, Ltd.
    • Toshio Kuge
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Method of upgrading low-rank coal
    • Patent number 4,511,363
    • Issue date Apr 16, 1985
    • Hitachi, Ltd.
    • Yoichi Nakamura
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...