Inventor
ITOH MASAAKI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “ITOH MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
12 patentsUS5803165ASep 8, 1998
Heat exchanger
HITACHI LTD72 citations95
US4044797AAug 30, 1977
Heat transfer pipe
HITACHI LTD88 citations95
US6050328AApr 18, 2000
Heat exchanger and air conditioner using same
HITACHI LTD27 citations92
US5360060ANov 1, 1994
Fin-tube type heat exchanger
HITACHI LTD45 citations92
US4469167ASep 4, 1984
Heat exchanger fin
HITACHI LTD42 citations92
US6018963AFeb 1, 2000
Refrigeration cycle
HITACHI LTD50 citations91
US5181392AJan 26, 1993
Air conditioner and heat exchanger used therein
HITACHI LTD49 citations91
US4469168ASep 4, 1984
Fin assembly for heat exchangers
HITACHI LTD31 citations90
US5542271AAug 6, 1996
Air-conditioner employing non-azeotrope refrigerant
HITACHI LTD29 citations89
US6412549B1Jul 2, 2002
Heat transfer pipe for refrigerant mixture
HITACHI LTD19 citations82
US4211276AJul 8, 1980
Method of making fin elements for heat exchangers
HITACHI LTD19 citations79
US4593756AJun 10, 1986
Fin-and-tube type heat exchanger
HITACHI LTD19 citations72