Inventor
OTSUKA NOBUO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “OTSUKA NOBUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
12 patentsUS4997029AMar 5, 1991
Air conditioning apparatus
MITSUBISHI ELECTRIC CORP247 citations98
US4948040AAug 14, 1990
Air conditioning system
MITSUBISHI ELECTRIC CORP334 citations98
US4716957AJan 5, 1988
Duct type multizone air conditioning system
MITSUBISHI ELECTRIC CORP196 citations98
US4819714AApr 11, 1989
Air conditioning apparatus
MITSUBISHI ELECTRIC CORP138 citations97
US5076346ADec 31, 1991
Air conditioner
MITSUBISHI ELECTRIC CORP74 citations96
USD310340SSep 4, 1990
Local room thermostat
MITSUBISHI ELECTRIC CORP54 citations96
US4811897AMar 14, 1989
Duct type air conditioning system
MITSUBISHI ELECTRIC CORP98 citations96
US4754919AJul 5, 1988
Air conditioning apparatus
MITSUBISHI ELECTRIC CORP57 citations96
US4795088AJan 3, 1989
Air conditioning system
MITSUBISHI ELECTRIC CORP92 citations95
USD309268SJul 17, 1990
Central thermostat
MITSUBISHI ELECTRIC CORP39 citations92
US4635445AJan 13, 1987
Air-conditioner
MITSUBISHI ELECTRIC CORP50 citations92
US4821526AApr 18, 1989
Air conditioning apparatus
MITSUBISHI ELECTRIC CORP14 citations74
SUMITOMO METAL IND
3 patentsUS6623869B1Sep 23, 2003
Metal material having good resistance to metal dusting
SUMITOMO METAL IND121 citations97
US5378427AJan 3, 1995
Corrosion-resistant alloy heat transfer tubes for heat-recovery boilers
SUMITOMO METAL IND42 citations92
US5824264AOct 20, 1998
High-temperature stainless steel and method for its production
SUMITOMO METAL IND18 citations83