Inventor
OGAWA NAOYUKI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA NAOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
7 patentsUS6062064AMay 16, 2000
Apparatus for sensing low concentration NOx
NGK INSULATORS LTD19 citations92
US5705129AJan 6, 1998
NOx sensor
NGK INSULATORS LTD53 citations92
US6044689AApr 4, 2000
Apparatus for sensing low concentration NOx, chamber used for apparatus for sensing low concentration NOx; gas sensor element and method of manufacturing the same; and ammonia removing apparatus and NOx sensor utilizing this apparatus
NGK INSULATORS LTD33 citations91
US6006586ADec 28, 1999
Method of measuring gas concentration
NGK INSULATORS LTD11 citations73
US5948966ASep 7, 1999
Gas sensor, method of measuring gas component by utilizing gas sensor, and method of diagnosing malfunction of exhaust gas purifying apparatus
NGK INSULATORS LTD14 citations73
US6646177B2Nov 11, 2003
Method for separation of p-xylene
NGK INSULATORS LTD2 citations62
US7767116B2Aug 3, 2010
Conductive ceramic material and production method thereof
NGK INSULATORS LTD2 citations61