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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for extraction of highly purified oxygen
Patent number
4,519,813
Issue date
May 28, 1985
Osaka Oxygen Industries Ltd.
Zenzi Hagiwara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for removing a nitrogen gas from mixture comprising N.sub.2...
Patent number
4,468,238
Issue date
Aug 28, 1984
Osaka Oxygen Industries Ltd.
Sigeo Matsui
C21 - METALLURGY OF IRON
Information
Patent Grant
Sensor for measuring density of oxygen in molten metal
Patent number
4,451,350
Issue date
May 29, 1984
Nippon Kokan Kabushiki Kaisha
Yutaka Tsuchida
G01 - MEASURING TESTING
Information
Patent Grant
Method of producing oxygen rich gas utilizing an oxygen concentrato...
Patent number
4,331,455
Issue date
May 25, 1982
Osaka Oxygen Industries, Ltd.
Toru Sato
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for deodorizing exhaust gas containing smelly components
Patent number
4,307,067
Issue date
Dec 22, 1981
Osaka Oxygen Industries Ltd.
Taichi Tagawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Rare earth-containing alloys and method for purification of hydroge...
Patent number
4,215,008
Issue date
Jul 29, 1980
Shin-Etsu Chemical Co. Ltd.
Zenzi Hagiwara
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Thermally insulating containers for liquefied gases
Patent number
4,154,364
Issue date
May 15, 1979
Shin-Etsu Chemical Co., Ltd.
Zenji Hagiwara
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Oxygen sensors
Patent number
4,141,812
Issue date
Feb 27, 1979
Nippon Kokan Kabushiki Kaisha
Takao Kawawa
G01 - MEASURING TESTING