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Isao Okouchi
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Hitachi, JP
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last 30 patents
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Patent Grant
Process for producing ultra-pure water and process for using said u...
Patent number
4,879,041
Issue date
Nov 7, 1989
Hitachi, Ltd.
Hideaki Kurokawa
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus for deaerating condensate in a condenser
Patent number
4,631,925
Issue date
Dec 30, 1986
Hitachi, Ltd.
Katsumoto Ohtake
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Apparatus for removing foreign matters
Patent number
4,597,871
Issue date
Jul 1, 1986
Hitachi, Ltd.
Isao Okouchi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Condenser
Patent number
4,592,419
Issue date
Jun 3, 1986
Hitachi, Ltd.
Keizo Ishida
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Apparatus for removing foreign matters from condenser cooling water
Patent number
4,543,188
Issue date
Sep 24, 1985
Hitachi, Ltd.
Isao Okouchi
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method of and system for cleaning cooling tubes of heat transfer units
Patent number
4,476,917
Issue date
Oct 16, 1984
Hitachi, Ltd.
Katsumoto Otake
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Sorting apparatus
Patent number
4,435,285
Issue date
Mar 6, 1984
Hitachi, Ltd.
Isao Okouchi
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Cleaning system for heat conductive conduits of a heat exchanger
Patent number
4,420,038
Issue date
Dec 13, 1983
Hitachi, Ltd.
Isao Okouchi
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method of monitoring condenser performance and system therefor
Patent number
4,390,058
Issue date
Jun 28, 1983
Hitachi, Ltd.
Katsumoto Otake
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Apparatus for high temperature electrodialysis
Patent number
4,351,715
Issue date
Sep 28, 1982
Hitachi, Ltd.
Harumi Matsuzaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for high temperature electrodialysis
Patent number
4,311,575
Issue date
Jan 19, 1982
Hitachi, Ltd.
Harumi Matsuzaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and apparatus for crystallization of solution containing salts
Patent number
4,245,998
Issue date
Jan 20, 1981
Hitachi, Ltd.
Isao Okouchi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL