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Japan Oxygen Co., Ltd.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cook pot with cover
    • Patent number D338133
    • Issue date Aug 10, 1993
    • Japan Oxygen Co., Ltd.
    • Kaori Mano
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Condenser/evaporator
    • Patent number 5,222,549
    • Issue date Jun 29, 1993
    • Japan Oxygen Co., Ltd.
    • Hiroshi Ishii
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Cook pot with cover
    • Patent number D335422
    • Issue date May 11, 1993
    • Japan Oxygen Co., Ltd.
    • Kaori Mano
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Apparatus for quantifying oxygen
    • Patent number 5,158,746
    • Issue date Oct 27, 1992
    • Japan Oxygen Co., Ltd.
    • Takashi Suzuki
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen breathing unit
    • Patent number D325633
    • Issue date Apr 21, 1992
    • Japan Oxygen Co., Ltd.
    • Kaori Mano
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Vacuum bottle
    • Patent number D321628
    • Issue date Nov 19, 1991
    • Japan Oxygen Co., Ltd.
    • Ikuo Kobayashi
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Breathing mask
    • Patent number D320473
    • Issue date Oct 1, 1991
    • Japan Oxygen Co., Ltd.
    • Kaori Mano
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Vacuum bottle
    • Patent number D318599
    • Issue date Jul 30, 1991
    • Japan Oxygen Co., Ltd.
    • Kaori Mano
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Method for quantifying oxygen
    • Patent number 5,021,352
    • Issue date Jun 4, 1991
    • Japan Oxygen, Co., Ltd.
    • Takashi Suzuki
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Adsorptive separation process
    • Patent number 5,015,272
    • Issue date May 14, 1991
    • Japan Oxygen Co., Ltd.
    • Hidetake Okada
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Vacuum bottle
    • Patent number D314888
    • Issue date Feb 26, 1991
    • Japan Oxygen Co., Ltd.
    • Kaori Mano
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Portable water purifier
    • Patent number 4,990,254
    • Issue date Feb 5, 1991
    • Japan Oxygen Co., Ltd.
    • Shoji Toida
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Vacuum bottle
    • Patent number D309237
    • Issue date Jul 17, 1990
    • Japan Oxygen Co., Ltd.
    • Ikuo Kobayashi
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Vacuum bottle
    • Patent number D306953
    • Issue date Apr 3, 1990
    • Japan Oxygen Co., Ltd.
    • Yukiko Kase
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Process for the production of glass
    • Patent number 4,871,695
    • Issue date Oct 3, 1989
    • Japan Oxygen Co., Ltd.
    • Koji Seki
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Process for the production of glass
    • Patent number 4,828,593
    • Issue date May 9, 1989
    • Japan Oxygen Co., Ltd.
    • Hiroshi Morishita
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Process for the production of glass
    • Patent number 4,828,594
    • Issue date May 9, 1989
    • Japan Oxygen Co., Ltd.
    • Hiroshi Morishita
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Process for the production of glass
    • Patent number 4,828,595
    • Issue date May 9, 1989
    • Japan Oxygen Co., Ltd.
    • Hiroshi Morishita
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Process for treating combustible exhaust gases containing silane an...
    • Patent number 4,801,437
    • Issue date Jan 31, 1989
    • Japan Oxygen Co., Ltd.
    • Yoshiaki Konagaya
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Remote-control apparatus for opening or closing the valve of contai...
    • Patent number 4,629,157
    • Issue date Dec 16, 1986
    • Japan Oxygen Co., Ltd.
    • Yuji Tsuchiya
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Sluice valve arrangement
    • Patent number 4,457,488
    • Issue date Jul 3, 1984
    • Japan Oxygen Co., Ltd.
    • Hiroshi Ishii
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vacuum furnace for heat treatment
    • Patent number 4,417,722
    • Issue date Nov 29, 1983
    • Japan Oxygen Co., Ltd.
    • Hiroshi Ishii
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Process for liquefying and rectifying air
    • Patent number 4,192,662
    • Issue date Mar 11, 1980
    • Japan Oxygen Co., Ltd.
    • Shunji Ogata
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Process for freezing cooked rice
    • Patent number 4,086,369
    • Issue date Apr 25, 1978
    • Japan Oxygen Co., Ltd.
    • Fumio Mutoh
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

Patents Applicationslast 30 patents

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