Inventor
KONAKAWA TSUGUNORI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “KONAKAWA TSUGUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA MOTOR CO LTD
13 patentsUS5367998ANov 29, 1994
Fuel injection system for an engine
YAMAHA MOTOR CO LTD21 citations91
US8038489B2Oct 18, 2011
Boat propulsion system, and control device and control method for the same
YAMAHA MOTOR CO LTD7 citations83
US7942712B2May 17, 2011
Boat propulsion system, and control device and control method therefor
YAMAHA MOTOR CO LTD14 citations83
US7892052B2Feb 22, 2011
Boat propulsion system, control device thereof, and control method
YAMAHA MOTOR CO LTD11 citations83
US7930883B2Apr 26, 2011
Exhaust device of six-cylinder engine
YAMAHA MOTOR CO LTD8 citations82
US7637242B2Dec 29, 2009
Fuel supply system and vehicle
YAMAHA MOTOR CO LTD10 citations78
US8359836B2Jan 29, 2013
Internal combustion engine, vehicle, marine vessel, and secondary air supply method for internal combustion engine
YAMAHA MOTOR CO LTD4 citations63
US5823150AOct 20, 1998
Induction system for two cycle engine
YAMAHA MOTOR CO LTD6 citations62
US7556548B2Jul 7, 2009
Exhaust device for outboard motor
YAMAHA MOTOR CO LTD2 citations61
US7640921B2Jan 5, 2010
Fuel supply apparatus and vehicle provided with the same
YAMAHA MOTOR CO LTD4 citations58
US7624718B2Dec 1, 2009
Engine control system, vehicle having the same, method for calculating combustion center of gravity, and method for controlling engine
YAMAHA MOTOR CO LTD1 citations51
US7856813B2Dec 28, 2010
Exhaust system for eight-cylinder engine
YAMAHA MOTOR CO LTD0 citations40
US7856812B2Dec 28, 2010
Exhaust device of eight-cylinder engine
YAMAHA MOTOR CO LTD0 citations40
KONAKAWA TSUGUNORI
6 patentsUS8142247B2Mar 27, 2012
Exhaust device for outboard motor engine and outboard motor
KONAKAWA TSUGUNORI15 citations83
US8118630B2Feb 21, 2012
Outboard motor
KONAKAWA TSUGUNORI10 citations83
US8128442B2Mar 6, 2012
Outboard motor including drive shaft vibration damper
KONAKAWA TSUGUNORI2 citations62
US8336517B2Dec 25, 2012
Outboard motor
KONAKAWA TSUGUNORI1 citations51
US8113893B2Feb 14, 2012
Exhaust device for outboard motor multi-cylinder engine
KONAKAWA TSUGUNORI1 citations51
US8062084B2Nov 22, 2011
Outboard motor
KONAKAWA TSUGUNORI1 citations51
TAKAHASHI YUSUKE
3 patentsUS8316639B2Nov 27, 2012
Internal combustion engine, vehicle, marine vessel, and exhaust gas cleaning method for internal combustion engine
TAKAHASHI YUSUKE13 citations83
US8312713B2Nov 20, 2012
Internal combustion engine, vehicle, marine vessel, and exhausting method for internal combustion engine
TAKAHASHI YUSUKE3 citations62
US8336303B2Dec 25, 2012
Multi-cylinder internal combustion engine, vehicle, marine vessel, and exhausting method for multi-cylinder internal combustion engine
TAKAHASHI YUSUKE0 citations51