Inventor

SAJI KEIICHI

JP11 patents

⚠️ This page may combine multiple inventors who share the name “SAJI KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYODA CHUO KENKYUSHO KK

9 patents

US4993386AFeb 19, 1991

Operation control system for internal combustion engine

TOYODA CHUO KENKYUSHO KK236 citations98

US4510036AApr 9, 1985

Limiting electric current type oxygen sensor with heater and limiting electric current type oxygen concentration detecting device using the same

TOYODA CHUO KENKYUSHO KK61 citations96

US4626338ADec 2, 1986

Equipment for detecting oxygen concentration

TOYODA CHUO KENKYUSHO KK54 citations92

US4595485AJun 17, 1986

Limiting electric current type oxygen sensor

TOYODA CHUO KENKYUSHO KK46 citations92

US4472262ASep 18, 1984

Limiting electric current type oxygen concentration detector applied with temperature compensation

TOYODA CHUO KENKYUSHO KK40 citations92

US5480535AJan 2, 1996

Thin film multilayered air/fuel ratio sensor

TOYODA CHUO KENKYUSHO KK21 citations91

US4844788AJul 4, 1989

Wide-range air/fuel ratio sensor and detector using the same

TOYODA CHUO KENKYUSHO KK23 citations82

US4576705AMar 18, 1986

Apparatus with polarographic sensor to detect concentrations of plurality of gas components

TOYODA CHUO KENKYUSHO KK14 citations74

US6607643B2Aug 19, 2003

NOx gas detecting apparatus

TOYODA CHUO KENKYUSHO KK6 citations62

TOYOTA CHUO KENKYUSHO KK

1 patent

US7153412B2Dec 26, 2006

Electrodes, electrochemical elements, gas sensors, and gas measurement methods

TOYOTA CHUO KENKYUSHO KK10 citations72

YAZAKI CORP

1 patent

US5814719ASep 29, 1998

Limiting current type oxygen sensor

YAZAKI CORP13 citations72