Inventor
YAMAGATA NAOYUKI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGATA NAOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAZDA MOTOR
17 patentsUS5205265AApr 27, 1993
Exhaust gas recirculation system
MAZDA MOTOR124 citations97
US5203311AApr 20, 1993
Exhaust gas recirculation system for an internal combustion engine
MAZDA MOTOR121 citations96
US7644586B2Jan 12, 2010
Control of supercharged engine
MAZDA MOTOR38 citations92
US5309886AMay 10, 1994
Supercharged internal combustion engine
MAZDA MOTOR34 citations92
US5216989AJun 8, 1993
Apparatus for driving various devices by internal combustion engine
MAZDA MOTOR32 citations92
US5207210AMay 4, 1993
Cylinder head structure of an internal combustion engine
MAZDA MOTOR26 citations92
US5146897ASep 15, 1992
Intake manifold of intake system for multi-cylinder internal combustion engine
MAZDA MOTOR23 citations92
US5213071AMay 25, 1993
Support structure for cam shafts
MAZDA MOTOR29 citations91
US7628015B2Dec 8, 2009
Control for electrically driven supercharger
MAZDA MOTOR29 citations90
US5392751AFeb 28, 1995
V-type engine with supercharger mounting
MAZDA MOTOR24 citations90
US5197427AMar 30, 1993
Accessory drive device for an internal combustion engine
MAZDA MOTOR13 citations74
US5012771AMay 7, 1991
Intake system for multi-cylinder engine
MAZDA MOTOR16 citations74
US11236684B1Feb 1, 2022
Two-stroke engine with supercharger
MAZDA MOTOR2 citations73
US5144918ASep 8, 1992
Intake system for engine
MAZDA MOTOR17 citations73
US9702296B2Jul 11, 2017
Turbocharged engine
MAZDA MOTOR2 citations71
US5342248AAug 30, 1994
Auxiliary equipment drive system
MAZDA MOTOR9 citations71
US12571340B2Mar 10, 2026
Exhaust system
MAZDA MOTOR0 citations50