Inventor
OKUMURA TOSHIO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “OKUMURA TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
5 patentsUS4883643ANov 28, 1989
Oxygen sensor protected against contaminants
NGK SPARK PLUG CO37 citations91
US4668477AMay 26, 1987
Gas sensor
NGK SPARK PLUG CO37 citations91
US4672933AJun 16, 1987
Precombustion chamber with insulating means
NGK SPARK PLUG CO21 citations81
US4741816AMay 3, 1988
Oxygen sensor
NGK SPARK PLUG CO17 citations72
US4507191AMar 26, 1985
Oxygen sensor with heater
NGK SPARK PLUG CO11 citations71