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Hideaki Kurokawa
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Distillation apparatus with porous membrane and heat pump
Patent number
5,300,197
Issue date
Apr 5, 1994
Hitachi, Ltd.
Kenji Mitani
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Vapor washing process and apparatus
Patent number
5,105,556
Issue date
Apr 21, 1992
Hitachi, Ltd.
Hideaki Kurokawa
F26 - DRYING
Information
Patent Grant
Cooling energy generator with cooling energy accumulator
Patent number
5,018,367
Issue date
May 28, 1991
Hitachi, Ltd.
Akira Yamada
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Apparatus and method of generating coldness
Patent number
4,986,079
Issue date
Jan 22, 1991
Hitachi, Ltd.
Yasuo Koseki
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Distilling apparatus
Patent number
4,953,694
Issue date
Sep 4, 1990
Hitachi, Ltd.
Nobuatsu Hayashi
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
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
Absorption-type refrigerator
Patent number
4,783,277
Issue date
Nov 8, 1988
Hitachi, Ltd.
Yasuo Koseki
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for concentration aqueous solution and method...
Patent number
4,746,437
Issue date
May 24, 1988
Hitachi, Ltd.
Yasuo Koseki
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
CRUDE OIL RECOVERY DEVICE
Publication number
20170088781
Publication date
Mar 30, 2017
Hitachi, Ltd
Tadashi SANO
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
WATER TREATMENT SYSTEM AND WATER TREATMENT METHOD
Publication number
20170001883
Publication date
Jan 5, 2017
Hitachi, Ltd
Shinichi YOSHIKAWA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL