Inventor
HOSOKAI TETSUSHI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “HOSOKAI TETSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAZDA MOTOR
24 patentsUS6357288B1Mar 19, 2002
Failure diagnosis system for evaporation control system
MAZDA MOTOR35 citations92
US5996400ADec 7, 1999
Diagnostic system for detecting leakage of fuel vapor from purge system
MAZDA MOTOR35 citations92
US5851376ADec 22, 1998
Catalyst degradation determination apparatus and method
MAZDA MOTOR38 citations92
US5746187AMay 5, 1998
Automotive engine control system
MAZDA MOTOR43 citations92
US5732680AMar 31, 1998
Fuel injection control system for engine
MAZDA MOTOR29 citations92
US5553595ASep 10, 1996
Fuel system with fuel vapor estimating feature
MAZDA MOTOR29 citations92
US5471963ADec 5, 1995
Fuel injection control system for engine
MAZDA MOTOR24 citations92
US4716871AJan 5, 1988
Intake system for engine
MAZDA MOTOR33 citations92
US6321696B1Nov 27, 2001
Thermostat trouble diagnosis system in an engine cooling system
MAZDA MOTOR54 citations91
US5765372AJun 16, 1998
Lean burn engine for automobile
MAZDA MOTOR46 citations91
US4980834ADec 25, 1990
Air-to-fuel ratio control system
MAZDA MOTOR27 citations91
US6035835AMar 14, 2000
Valve operation verification system for verifying valve operation of valve disposed in hot gas flow passage
MAZDA MOTOR19 citations89
US5684454ANov 4, 1997
Anti-vehicle-thief apparatus
MAZDA MOTOR35 citations89
US5637985AJun 10, 1997
Alternator control system
MAZDA MOTOR52 citations89
US6679111B2Jan 20, 2004
Malfunction diagnostic apparatus for evaporated fuel purge system
MAZDA MOTOR13 citations82
US5685283ANov 11, 1997
Air-fuel ratio control system for engine
MAZDA MOTOR7 citations74
US5197431AMar 30, 1993
Ignition timing control system for engine
MAZDA MOTOR12 citations73
US5086744AFeb 11, 1992
Fuel control system for internal combustion engine
MAZDA MOTOR8 citations73
US5080072AJan 14, 1992
Air-fuel ratio control system for engine
MAZDA MOTOR9 citations73
US5065717ANov 19, 1991
Idle speed control system for engine
MAZDA MOTOR12 citations73
US5634445AJun 3, 1997
Air-fuel ratio control system for engine
MAZDA MOTOR11 citations72
US4856481AAug 15, 1989
Engine knocking control unit
MAZDA MOTOR13 citations71
US5050565ASep 24, 1991
Fuel control system for engine
MAZDA MOTOR4 citations62
US4938197AJul 3, 1990
Fuel supply control system for engine
MAZDA MOTOR2 citations57