Inventor
HATAMURA KOICHI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “HATAMURA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAZDA MOTOR
9 patentsUS4630575ADec 23, 1986
Intake system for multicylinder engine
MAZDA MOTOR62 citations95
US4702207AOct 27, 1987
Intake arrangement for internal combustion engine
MAZDA MOTOR30 citations92
US4649871AMar 17, 1987
Intake system for V-type engine
MAZDA MOTOR30 citations92
US4919087AApr 24, 1990
Intake system for V-type vehicle engine
MAZDA MOTOR23 citations87
US5090392AFeb 25, 1992
Control system for engine with supercharger
MAZDA MOTOR12 citations73
US4625687ADec 2, 1986
Intake arrangement for internal combustion engine
MAZDA MOTOR9 citations73
US4736714AApr 12, 1988
Engine intake system
MAZDA MOTOR9 citations72
US4686944AAug 18, 1987
Intake manifold structure for V-type engine
MAZDA MOTOR16 citations69
US6651610B2Nov 25, 2003
Engine control system
MAZDA MOTOR4 citations61
YAMAHA MOTOR CO LTD
9 patentsUS7168403B2Jan 30, 2007
Valve train device for engine
YAMAHA MOTOR CO LTD15 citations84
US7096835B2Aug 29, 2006
Valve train device for an engine
YAMAHA MOTOR CO LTD14 citations84
US7069890B2Jul 4, 2006
Valve train device for an engine
YAMAHA MOTOR CO LTD14 citations84
US7469669B2Dec 30, 2008
Variable valve train mechanism of internal combustion engine
YAMAHA MOTOR CO LTD6 citations63
US7398750B2Jul 15, 2008
Valve mechanism for internal combustion engine
YAMAHA MOTOR CO LTD3 citations63
US7308874B2Dec 18, 2007
Valve mechanism for an internal combustion engine
YAMAHA MOTOR CO LTD2 citations63
US7281504B2Oct 16, 2007
Valve train device for engine
YAMAHA MOTOR CO LTD4 citations63
US7584730B2Sep 8, 2009
Valve train device for engine
YAMAHA MOTOR CO LTD0 citations52
US7980210B2Jul 19, 2011
Variable valve drive system for engine
YAMAHA MOTOR CO LTD0 citations42
HATAMURA KOICHI
4 patentsUS7753037B2Jul 13, 2010
Engine
HATAMURA KOICHI26 citations92
US8534261B2Sep 17, 2013
Four-cycle engine
HATAMURA KOICHI7 citations83
US8468800B2Jun 25, 2013
Secondary air and exhaust gas recirculation for a four-stroke internal combustion engine
HATAMURA KOICHI8 citations83
US8065988B2Nov 29, 2011
Four-cycle engine
HATAMURA KOICHI6 citations62