Yasuo Koseki

Person

Hitachiohta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Waste incineration heat conversion system
- Patent number 5,678,420
- Issue date Oct 21, 1997
- Hitachi, Ltd.
- Toshiko Fukushima
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Rankine cycle power generation system and a method for operating th...
- Patent number 5,675,970
- Issue date Oct 14, 1997
- Hitachi, Ltd.
- Akira Yamada
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Multiple type absorption air conditioning system
- Patent number 5,517,830
- Issue date May 21, 1996
- Hitachi, Ltd.
- Tomihisa Ohuchi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Multiple type absorption air conditioning system
- Patent number 5,447,042
- Issue date Sep 5, 1995
- Hitachi, Ltd.
- Tomihisa Ohuchi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat storage apparatus and method
- Patent number 5,435,380
- Issue date Jul 25, 1995
- Hitachi, Ltd.
- Akihiro Yamada
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Absorption chiller heater and unit-type air conditioning system
- Patent number 5,289,868
- Issue date Mar 1, 1994
- Hitachi, Ltd.
- Yasuo Koseki
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Regenerative type air conditioning equipment
- Patent number 5,285,645
- Issue date Feb 15, 1994
- Hitachi, Ltd.
- Akira Yamada
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Multiple type absorption air conditioning system
- Patent number 5,282,369
- Issue date Feb 1, 1994
- Hitachi, Ltd.
- Tomihisa Ohuchi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Control method and apparatus of absorption chiller heater
- Patent number 5,275,010
- Issue date Jan 4, 1994
- Hitachi, Ltd.
- Daisuke Hisajima
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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...
Information Patent Grant
Impurity detector
- Patent number 4,670,137
- Issue date Jun 2, 1987
- Hitachi, Ltd.
- Yasuo Koseki
- G01 - MEASURING TESTING
Information Patent Grant
Heat storing apparatus
- Patent number 4,638,646
- Issue date Jan 27, 1987
- Hitachi, Ltd.
- Yasuo Koseki
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method and system of heat energy conversion
- Patent number 4,363,219
- Issue date Dec 14, 1982
- Hitachi, Ltd.
- Yasuo Koseki
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Aqueous alkali or alkaline treat and heat regeneration of NH.sub.4....
- Patent number 4,219,441
- Issue date Aug 26, 1980
- Hitachi, Ltd.
- Yusaku Noshimura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for regenerating an adsorbent
- Patent number 4,205,459
- Issue date Jun 3, 1980
- Hitachi, Ltd.
- Yasuo Koseki
- F26 - DRYING
Information Patent Grant
Method of and apparatus for solid-liquid separation
- Patent number 4,113,618
- Issue date Sep 12, 1978
- Hitachi, Ltd.
- Yasuo Koseki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Yasuo Koseki

Person

Patents Grantslast 30 patents

Waste incineration heat conversion system

Rankine cycle power generation system and a method for operating th...

Multiple type absorption air conditioning system

Multiple type absorption air conditioning system

Heat storage apparatus and method

Absorption chiller heater and unit-type air conditioning system

Regenerative type air conditioning equipment

Multiple type absorption air conditioning system

Control method and apparatus of absorption chiller heater

Cooling energy generator with cooling energy accumulator

Apparatus and method of generating coldness

Distilling apparatus

Process for producing ultra-pure water and process for using said u...

Absorption-type refrigerator

Method and apparatus for concentration aqueous solution and method...

Impurity detector

Heat storing apparatus

Method and system of heat energy conversion

Aqueous alkali or alkaline treat and heat regeneration of NH.sub.4....

Apparatus for regenerating an adsorbent

Method of and apparatus for solid-liquid separation