Inventor
NISHIGUCHI AKIRA
JP17 patents
⚠️ This page may combine multiple inventors who share the name “NISHIGUCHI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
16 patentsUS5156203AOct 20, 1992
Air conditioning system
HITACHI LTD116 citations95
US5577555ANov 26, 1996
Heat exchanger
HITACHI LTD81 citations94
US5289868AMar 1, 1994
Absorption chiller heater and unit-type air conditioning system
HITACHI LTD22 citations92
US5282369AFeb 1, 1994
Multiple type absorption air conditioning system
HITACHI LTD29 citations92
US6122930ASep 26, 2000
Absorption refrigerating machine
HITACHI LTD16 citations91
US4520634AJun 4, 1985
Multi-stage absorption refrigeration system
HITACHI LTD45 citations89
US6247331B1Jun 19, 2001
Absorption refrigerator and the method of producing the same
HITACHI LTD17 citations82
US6233968B1May 22, 2001
Absorption refrigerating machine
HITACHI LTD15 citations82
US5517830AMay 21, 1996
Multiple type absorption air conditioning system
HITACHI LTD13 citations73
US5447042ASep 5, 1995
Multiple type absorption air conditioning system
HITACHI LTD8 citations73
US5275010AJan 4, 1994
Control method and apparatus of absorption chiller heater
HITACHI LTD15 citations73
US5259202ANov 9, 1993
Absorption air-conditioning system
HITACHI LTD15 citations73
US5218844AJun 15, 1993
Absorption heat pump apparatus with indoor and outdoor heat exchangers
HITACHI LTD12 citations73
US5205137AApr 27, 1993
Absorption air conditioner
HITACHI LTD17 citations73
US5435154AJul 25, 1995
High temperature regenerator of an absorption type hot and cold water generator and absorption type hot and cold water generator
HITACHI LTD16 citations69
US4499859AFeb 19, 1985
Vapor generator
HITACHI LTD17 citations69