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Kyoji Kohno
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Tokyo, JP
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last 30 patents
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 transfer fins and heat exchanger
Patent number
5,353,866
Issue date
Oct 11, 1994
Hitachi, Ltd.
Hironobu Ueda
F28 - HEAT EXCHANGE IN GENERAL
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
Double effect air-cooled absorption refrigerating machine
Patent number
4,941,329
Issue date
Jul 17, 1990
Hitachi, Ltd.
Kouji Imura
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Double effect air cooled absorption refrigerating machine
Patent number
4,841,744
Issue date
Jun 27, 1989
Hitachi, Ltd.
Shigekichi Kurosawa
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air-cooled absorption heating and cooling system
Patent number
4,748,830
Issue date
Jun 7, 1988
Hitachi, Ltd.
Tomihisa Oouchi
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air-cooled absorption refrigeration system
Patent number
4,655,053
Issue date
Apr 7, 1987
Hitachi, Ltd.
Yoshifumi Kunugi
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...