Masaaki Itoh

Person

Tsuchiura-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Heat transfer pipe for refrigerant mixture
- Patent number 6,412,549
- Issue date Jul 2, 2002
- Hitachi, Ltd.
- Masaaki Itoh
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger and air conditioner using same
- Patent number 6,050,328
- Issue date Apr 18, 2000
- Hitachi, Ltd.
- Naoki Shikazono
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Refrigeration cycle
- Patent number 6,018,963
- Issue date Feb 1, 2000
- Hitachi, Ltd.
- Masaaki Itoh
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger
- Patent number 5,803,165
- Issue date Sep 8, 1998
- Hitachi, Ltd.
- Naoki Shikazono
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Air-conditioner employing non-azeotrope refrigerant
- Patent number 5,542,271
- Issue date Aug 6, 1996
- Hitachi, Ltd.
- Mituo Kudoh
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Fin-tube type heat exchanger
- Patent number 5,360,060
- Issue date Nov 1, 1994
- Hitachi, Ltd.
- Takeo Tanaka
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Air conditioner and heat exchanger used therein
- Patent number 5,181,392
- Issue date Jan 26, 1993
- Hitachi Ltd.
- Masaaki Itoh
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Fin-and-tube type heat exchanger
- Patent number 4,593,756
- Issue date Jun 10, 1986
- Hitachi, Ltd.
- Masaaki Itoh
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Fin assembly for heat exchangers
- Patent number 4,469,168
- Issue date Sep 4, 1984
- Hitachi, Ltd.
- Masaaki Itoh
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat exchanger fin
- Patent number 4,469,167
- Issue date Sep 4, 1984
- Hitachi, Ltd.
- Masaaki Itoh
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method of making fin elements for heat exchangers
- Patent number 4,211,276
- Issue date Jul 8, 1980
- Hitachi, Ltd.
- Masaaki Itoh
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Heat transfer pipe for refrigerant mixture
- Publication number 20020070011
- Publication date Jun 13, 2002
- Masaaki Itoh
- F28 - HEAT EXCHANGE IN GENERAL

Masaaki Itoh

Person

Patents Grantslast 30 patents

Heat transfer pipe for refrigerant mixture

Heat exchanger and air conditioner using same

Refrigeration cycle

Heat exchanger

Air-conditioner employing non-azeotrope refrigerant

Fin-tube type heat exchanger

Air conditioner and heat exchanger used therein

Fin-and-tube type heat exchanger

Fin assembly for heat exchangers

Heat exchanger fin

Method of making fin elements for heat exchangers

Patents Applicationslast 30 patents

Heat transfer pipe for refrigerant mixture