Inventor
KATSURA MASAKI
14 patents
⚠️ This page may combine multiple inventors who share the name “KATSURA MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO SHIBAURA ELECTRIC CO
11 patentsUS4792433ADec 20, 1988
CO gas detecting device and circuit for driving the same
TOKYO SHIBAURA ELECTRIC CO76 citations95
US4259292AMar 31, 1981
Gas detecting element
TOKYO SHIBAURA ELECTRIC CO34 citations89
US4242303ADec 30, 1980
Gas detecting element
TOKYO SHIBAURA ELECTRIC CO19 citations79
US4449919AMay 22, 1984
Gas combustion apparatus capable of detecting environmental oxygen deficiency
TOKYO SHIBAURA ELECTRIC CO16 citations73
US4407778AOct 4, 1983
Freon gas detecting element
TOKYO SHIBAURA ELECTRIC CO9 citations73
US4499054AFeb 12, 1985
Cation emission type halogenated hydrocarbon gas detecting element
TOKYO SHIBAURA ELECTRIC CO12 citations72
US4470882ASep 11, 1984
Gas leak detector
TOKYO SHIBAURA ELECTRIC CO10 citations72
US4045764AAug 30, 1977
Gas-sensing material
TOKYO SHIBAURA ELECTRIC CO13 citations72
US4424508AJan 3, 1984
Moisture sensitive element
TOKYO SHIBAURA ELECTRIC CO3 citations61
US3991340ANov 9, 1976
Discharge lamp lighting apparatus including a sintered type oxide negative resistance starting element
TOKYO SHIBAURA ELECTRIC CO3 citations55
US4336163AJun 22, 1982
Oxide negative resistance element
TOKYO SHIBAURA ELECTRIC CO1 citations48