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Koichi Kitahara

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  • Kanagawa-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cleaning agent of harmful gas and cleaning method
    • Patent number 5,670,445
    • Issue date Sep 23, 1997
    • Japan Pionics Co., Ltd.
    • Koichi Kitahara
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Cooling agent
    • Patent number 5,429,762
    • Issue date Jul 4, 1995
    • Japan Pionics Co., Ltd.
    • Koichi Kitahara
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Process for purification of rare gas
    • Patent number 5,294,422
    • Issue date Mar 15, 1994
    • Japan Pionics Co., Ltd.
    • Koichi Kitahara
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Refrigerant
    • Patent number 5,261,241
    • Issue date Nov 16, 1993
    • Japan Pionics Co., Ltd.
    • Koichi Kitahara
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Process for purification of rare gas
    • Patent number 5,194,233
    • Issue date Mar 16, 1993
    • Japan Pionics Co., Ltd.
    • Koichi Kitahara
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for purifying gaseous hydrides
    • Patent number 5,019,364
    • Issue date May 28, 1991
    • Japan Pionics Co., Ltd.
    • Koichi Kitahara
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for cleaning exhaust gases
    • Patent number 4,996,030
    • Issue date Feb 26, 1991
    • Japan Pionics, Ltd.
    • Koichi Kitahara
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for purifying gaseous hydrides
    • Patent number 4,976,942
    • Issue date Dec 11, 1990
    • Japan Pionics, Ltd.
    • Koichi Kitahara
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for cleaning gas containing toxic component
    • Patent number 4,910,001
    • Issue date Mar 20, 1990
    • Japan Pionics, Ltd.
    • Koichi Kitahara
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method for cleaning exhaust gases
    • Patent number 4,743,435
    • Issue date May 10, 1988
    • Japan Pionics., Ltd.
    • Koichi Kitahara
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method for detecting gaseous hydrides
    • Patent number 4,731,333
    • Issue date Mar 15, 1988
    • Japan Pionics., Ltd.
    • Koichi Kitahara
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents