Inventor
SEGAWA YOSHIHIRO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “SEGAWA YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON SOKEN
12 patentsUS4253302AMar 3, 1981
Exhaust gas purifying device for internal combustion engine
NIPPON SOKEN46 citations92
US4066413AJan 3, 1978
Gas component detection apparatus
NIPPON SOKEN37 citations92
US4322383AMar 30, 1982
Gas component detection apparatus
NIPPON SOKEN22 citations82
US4244918AJan 13, 1981
Gas component detection apparatus
NIPPON SOKEN22 citations82
US4294801AOct 13, 1981
Gas component detector
NIPPON SOKEN16 citations74
US4287751ASep 8, 1981
Gas detector
NIPPON SOKEN14 citations74
US4260978AApr 7, 1981
Gas detector element
NIPPON SOKEN16 citations74
US4258563AMar 31, 1981
Gas sensor
NIPPON SOKEN18 citations74
US4236138ANov 25, 1980
Gas component detector
NIPPON SOKEN18 citations74
US4235096ANov 25, 1980
Gas detection apparatus
NIPPON SOKEN10 citations74
US4099922AJul 11, 1978
Gas component detection apparatus
NIPPON SOKEN16 citations74
US4346585AAug 31, 1982
Gas detector
NIPPON SOKEN4 citations63