Inventor · disambiguated record
Yoshikazu Nakayasu
Also filed as: NAKAYASU YOSHIKAZU
29 granted patents·364 citations·filing 1986–2022
96Inventor score
Top patents by PatentIndex Score
29 records- 0195US11753132B1System and method for controlling propulsion device mounted on watercraftYAMAHA MOTOR CO LTD·Filed 2020·Granted Sep 12, 2023·4 cites·20 claims
- 0290US5449306AShifting mechanism for outboard driveSANSHIN KOGYO KK·Filed 1993·Granted Sep 12, 1995·26 cites·20 claims
- 0389US5601464ATransmission system for counter-rotational propulsion deviceSANSHIN KOGYO KK·Filed 1994·Granted Feb 11, 1997·33 cites·43 claims
- 0487US4997399AExhaust system for small vesselSANSHIN KOGYO KK·Filed 1989·Granted Mar 5, 1991·58 cites·12 claims
- 0582US10661872B1System for and method of controlling watercraftYAMAHA MOTOR CO LTD·Filed 2018·Granted May 26, 2020·5 cites·14 claims
- 0681US9150294B2Outboard motor control systemITO MAKOTO·Filed 2012·Granted Oct 6, 2015·8 cites·19 claims
- 0780US6415766B1Engine idle control systemSANSHIN KOGYO KK·Filed 2000·Granted Jul 9, 2002·25 cites·30 claims
- 0880US5839928AShifting mechanism for outboard driveSANSHIN KOGYO KK·Filed 1996·Granted Nov 24, 1998·18 cites·22 claims
- 0978US11505300B1Ship maneuvering system and ship maneuvering methodYAMAHA MOTOR CO LTD·Filed 2020·Granted Nov 22, 2022·1 cites·10 claims
- 1078US9156537B1Watercraft propulsion system and propulsion machine controlling methodYAMAHA MOTOR CO LTD·Filed 2014·Granted Oct 13, 2015·5 cites·16 claims
- 1178US9120548B2Marine vessel steering systemYAMAHA MOTOR CO LTD·Filed 2013·Granted Sep 1, 2015·5 cites·18 claims
- 1274US11402838B1System for and method of controlling watercraftYAMAHA MOTOR CO LTD·Filed 2018·Granted Aug 2, 2022·2 cites·20 claims
- 1373US5370564AOutboard motorSANSHIN KOGYO KK·Filed 1993·Granted Dec 6, 1994·39 cites·20 claims
- 1470US5660571AMuffling device for outboard propulsion machineSANSHIN KOGYO KK·Filed 1993·Granted Aug 26, 1997·24 cites·8 claims
- 1570US5520559AShifting mechanism for outboard driveSANSHIN KOGYO KK·Filed 1995·Granted May 28, 1996·13 cites·6 claims
- 1666US5820425AOutboard drive lower unitSANSHIN KOGYO KK·Filed 1996·Granted Oct 13, 1998·15 cites·20 claims
- 1763US10137973B2Propulsion control system and method for controlling a marine vesselCPAC SYSTEMS AB·Filed 2014·Granted Nov 27, 2018·2 cites·20 claims
- 1863US5447456APower steering system for watercraftSANSHIN KOGYO KK·Filed 1994·Granted Sep 5, 1995·20 cites·11 claims
- 1962US4730591AFuel supplying system of outboard motorSANSHIN KOGYO KK·Filed 1986·Granted Mar 15, 1988·15 cites·9 claims
- 2061US4820215AFuel supplying system for outboard motorSANSHIN KOGYO KK·Filed 1988·Granted Apr 11, 1989·15 cites·15 claims
- 2160US11453471B1Vessel steering system and vessel steering methodYAMAHA MOTOR CO LTD·Filed 2020·Granted Sep 27, 2022·0 cites·16 claims
- 2257US12097945B2Vessel operation system and vesselYAMAHA MOTOR CO LTD·Filed 2022·Granted Sep 24, 2024·0 cites·9 claims
- 2354US12221199B1System for and method of controlling propulsion deviceYAMAHA MOTOR CO LTD·Filed 2020·Granted Feb 11, 2025·0 cites·16 claims
- 2451US12233998B2Vessel operation system and vesselYAMAHA MOTOR CO LTD·Filed 2022·Granted Feb 25, 2025·0 cites·19 claims
- 2550US6227172B1Fuel injected outboard motorSANSHIN KOGYO KK·Filed 1999·Granted May 8, 2001·13 cites·22 claims
- 2647US12084161B2System for and method of controlling watercraftYAMAHA MOTOR CO LTD·Filed 2021·Granted Sep 10, 2024·0 cites·18 claims
- 2747US6446599B1Idle speed control for engineSANSHIN KOGYO KK·Filed 1999·Granted Sep 10, 2002·17 cites·42 claims
- 2845US8032271B2Boat propulsion unit and boatYAMAHA MOTOR CO LTD·Filed 2008·Granted Oct 4, 2011·0 cites·32 claims
- 2938US7558664B2Outboard motor fuel controllerYAMAHA MOTOR CO LTD·Filed 2007·Granted Jul 7, 2009·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →