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Kikuo Tokunaga

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  • Nagasaki-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exhaust gas processing method
    • Patent number 6,491,885
    • Issue date Dec 10, 2002
    • Mitsubishi Heavy Industries, Ltd.
    • Kikuo Tokunaga
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for decreasing sulfuric acid and sulfuric anhydride present...
    • Patent number 6,245,308
    • Issue date Jun 12, 2001
    • Mitsubishi Heavy Industries, Ltd.
    • Kikuo Tokunaga
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Dust collecting method
    • Patent number 6,228,336
    • Issue date May 8, 2001
    • Hokkaido Electric Power Company, Inc.
    • Yasuo Katsuki
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL