Inventor
IWAMA KEIZO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “IWAMA KEIZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HONDA MOTOR CO LTD
7 patentsUS7043902B2May 16, 2006
Exhaust gas purification system
HONDA MOTOR CO LTD20 citations91
US8382884B2Feb 26, 2013
Particulate matter detection device
HONDA MOTOR CO LTD14 citations83
US7374728B2May 20, 2008
Exhaust gas purification system
HONDA MOTOR CO LTD16 citations83
US7207169B2Apr 24, 2007
System and method for purifying an exhaust gas
HONDA MOTOR CO LTD7 citations73
US7464538B2Dec 16, 2008
Exhaust gas purifying apparatus
HONDA MOTOR CO LTD6 citations62
US12594815B2Apr 7, 2026
Temperature control system
HONDA MOTOR CO LTD0 citations51
US10662822B2May 26, 2020
Heat cycle system
HONDA MOTOR CO LTD0 citations40
NGK INSULATORS LTD
4 patentsUS7507934B2Mar 24, 2009
Plasma generation electrode, plasma reactor, and exhaust gas cleaning apparatus
NGK INSULATORS LTD10 citations82
US7648683B2Jan 19, 2010
Plasma generating electrode, plasma generator, and exhaust gas purifying device
NGK INSULATORS LTD7 citations72
US7700051B2Apr 20, 2010
Apparatus and method of treating exhaust gas
NGK INSULATORS LTD3 citations61
US7727489B2Jun 1, 2010
Plasma reactor
NGK INSULATORS LTD1 citations51