Inventor · disambiguated record
Tsugunori Konakawa
Also filed as: KONAKAWA TSUGUNORI
23 granted patents·143 citations·filing 1993–2009
95Inventor score
Top patents by PatentIndex Score
23 records- 0184US7942712B2Boat propulsion system, and control device and control method thereforYAMAHA MOTOR CO LTD·Filed 2009·Granted May 17, 2011·14 cites·13 claims
- 0283US8316639B2Internal combustion engine, vehicle, marine vessel, and exhaust gas cleaning method for internal combustion engineTAKAHASHI YUSUKE·Filed 2009·Granted Nov 27, 2012·13 cites·17 claims
- 0382US8142247B2Exhaust device for outboard motor engine and outboard motorKONAKAWA TSUGUNORI·Filed 2009·Granted Mar 27, 2012·15 cites·14 claims
- 0482US8118630B2Outboard motorKONAKAWA TSUGUNORI·Filed 2009·Granted Feb 21, 2012·10 cites·13 claims
- 0581US7892052B2Boat propulsion system, control device thereof, and control methodYAMAHA MOTOR CO LTD·Filed 2009·Granted Feb 22, 2011·11 cites·9 claims
- 0678US7930883B2Exhaust device of six-cylinder engineYAMAHA MOTOR CO LTD·Filed 2007·Granted Apr 26, 2011·8 cites·8 claims
- 0777US8317556B2Boat propulsion system, and control device and control method thereforSUZUKI TAKAYOSHI·Filed 2009·Granted Nov 27, 2012·9 cites·7 claims
- 0875US8038489B2Boat propulsion system, and control device and control method for the sameYAMAHA MOTOR CO LTD·Filed 2009·Granted Oct 18, 2011·7 cites·9 claims
- 0975US7637242B2Fuel supply system and vehicleYAMAHA MOTOR CO LTD·Filed 2005·Granted Dec 29, 2009·10 cites·34 claims
- 1072US8359836B2Internal combustion engine, vehicle, marine vessel, and secondary air supply method for internal combustion engineYAMAHA MOTOR CO LTD·Filed 2009·Granted Jan 29, 2013·4 cites·22 claims
- 1164US5367998AFuel injection system for an engineYAMAHA MOTOR CO LTD·Filed 1993·Granted Nov 29, 1994·21 cites·23 claims
- 1261US7556548B2Exhaust device for outboard motorYAMAHA MOTOR CO LTD·Filed 2007·Granted Jul 7, 2009·2 cites·8 claims
- 1358US8062084B2Outboard motorKONAKAWA TSUGUNORI·Filed 2009·Granted Nov 22, 2011·1 cites·19 claims
- 1457US8113893B2Exhaust device for outboard motor multi-cylinder engineKONAKAWA TSUGUNORI·Filed 2009·Granted Feb 14, 2012·1 cites·6 claims
- 1556US8312713B2Internal combustion engine, vehicle, marine vessel, and exhausting method for internal combustion engineTAKAHASHI YUSUKE·Filed 2009·Granted Nov 20, 2012·3 cites·10 claims
- 1655US8336303B2Multi-cylinder internal combustion engine, vehicle, marine vessel, and exhausting method for multi-cylinder internal combustion engineTAKAHASHI YUSUKE·Filed 2009·Granted Dec 25, 2012·0 cites·14 claims
- 1754US8128442B2Outboard motor including drive shaft vibration damperKONAKAWA TSUGUNORI·Filed 2009·Granted Mar 6, 2012·2 cites·3 claims
- 1853US8336517B2Outboard motorKONAKAWA TSUGUNORI·Filed 2009·Granted Dec 25, 2012·1 cites·14 claims
- 1947US7856812B2Exhaust device of eight-cylinder engineYAMAHA MOTOR CO LTD·Filed 2007·Granted Dec 28, 2010·0 cites·12 claims
- 2046US7640921B2Fuel supply apparatus and vehicle provided with the sameYAMAHA MOTOR CO LTD·Filed 2004·Granted Jan 5, 2010·4 cites·30 claims
- 2146US7624718B2Engine control system, vehicle having the same, method for calculating combustion center of gravity, and method for controlling engineYAMAHA MOTOR CO LTD·Filed 2005·Granted Dec 1, 2009·1 cites·10 claims
- 2243US7856813B2Exhaust system for eight-cylinder engineYAMAHA MOTOR CO LTD·Filed 2007·Granted Dec 28, 2010·0 cites·16 claims
- 2336US5823150AInduction system for two cycle engineYAMAHA MOTOR CO LTD·Filed 1994·Granted Oct 20, 1998·6 cites·100 claims
Join the waitlist — get patent alerts
Get an alert when Tsugunori Konakawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →