Inventor
UMEHARA KEN
JP6 patents
⚠️ This page may combine multiple inventors who share the name “UMEHARA KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAZDA MOTOR
3 patentsUS5950419ASep 14, 1999
Method of and system for purifying exhaust gas for engines
MAZDA MOTOR98 citations95
US5293741AMar 15, 1994
Warming-up system for warming up an engine for an automotive vehicle
MAZDA MOTOR100 citations95
US5233831AAug 10, 1993
Exhaust control system for internal combustion engine
MAZDA MOTOR69 citations92