Inventor
HAGIWARA KOJI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “HAGIWARA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
10 patentsUS10184382B2Jan 22, 2019
Abnormality diagnosis apparatus for NOx storage reduction catalyst
TOYOTA MOTOR CO LTD11 citations84
US9611776B2Apr 4, 2017
Deterioration diagnosis device for an exhaust gas purification apparatus
TOYOTA MOTOR CO LTD2 citations72
US9617900B2Apr 11, 2017
Deterioration diagnosis device for an exhaust gas purification apparatus
TOYOTA MOTOR CO LTD4 citations71
US10302002B2May 28, 2019
Deterioration diagnosis apparatus for exhaust gas purification apparatus
TOYOTA MOTOR CO LTD5 citations70
US10072553B2Sep 11, 2018
Deterioration diagnosis apparatus for selective catalytic reduction catalyst
TOYOTA MOTOR CO LTD1 citations52
US10746077B2Aug 18, 2020
Diagnostic apparatus for exhaust gas sensor
TOYOTA MOTOR CO LTD0 citations42
US10619547B2Apr 14, 2020
Diagnosis apparatus and diagnosis method for NOx sensor
TOYOTA MOTOR CO LTD0 citations42
US9650936B2May 16, 2017
Abnormality detection apparatus for exhaust gas purification apparatus
TOYOTA MOTOR CO LTD0 citations42
US10119446B2Nov 6, 2018
Deterioration diagnosis apparatus for exhaust gas purification apparatus
TOYOTA MOTOR CO LTD0 citations41
US10072544B2Sep 11, 2018
Deterioration diagnosis apparatus for the exhaust gas purification apparatus
TOYOTA MOTOR CO LTD0 citations41
HITACHI LTD
7 patentsUS6111346AAug 29, 2000
Color cathode ray tube having shadow mask structure with curl reduced in skirt portion
HITACHI LTD17 citations92
US6274974B1Aug 14, 2001
Color cathode ray tube having an improved shadow mask structure
HITACHI LTD9 citations74
US6501214B1Dec 31, 2002
Color cathode ray tube
HITACHI LTD12 citations68
US6707242B2Mar 16, 2004
Color cathode ray tube
HITACHI LTD2 citations63
US6437497B2Aug 20, 2002
Color cathode ray tube having an improved shadow mask
HITACHI LTD2 citations63
US6255765B1Jul 3, 2001
Color cathode ray tube having a shadow mask structure with curl reduced in a skirt portion thereof
HITACHI LTD4 citations63
US6465942B2Oct 15, 2002
Color cathode ray having a shadow mask structure with curl reduced in a skirt portion thereof
HITACHI LTD0 citations52