Inventor
MINOHA KEN
JP8 patents
Patents
8 patentsUS5316738AMay 31, 1994
Exhaust gas converter device
NGK SPARK PLUG CO21 citations92
US4980042ADec 25, 1990
Oxygen sensor and method of making it
NGK SPARK PLUG CO30 citations90
US5814285ASep 29, 1998
Poisoning-preventive layer-possessing support, poisoning-resistant catalyst, exhaust gas converter device, and poisoning-preventive gasoline composition
NGK SPARK PLUG CO14 citations81
US5811064ASep 22, 1998
Poisoning resistant catalyst for exhaust gas converters
NGK SPARK PLUG CO13 citations73
US5242573ASep 7, 1993
Method of making air/fuel ratio sensor
NGK SPARK PLUG CO8 citations72
US5194135AMar 16, 1993
Air/fuel ratio sensor
NGK SPARK PLUG CO17 citations72
US4825683AMay 2, 1989
Apparatus for evaluating an oxygen sensor
NGK SPARK PLUG CO8 citations72
US5139829AAug 18, 1992
Method for producing oxygen detection element
NGK SPARK PLUG CO13 citations70