Inventor · disambiguated record
Shigeyuki Ozawa
Also filed as: OZAWA SHIGEYUKI
58 granted patents·8 pending applications·797 citations·filing 1989–2022
99Inventor score
Top patents by PatentIndex Score
66 records- 0196US6733350B2Engine output control for watercraftYAMAHA MOTOR CO LTD·Filed 2001·Granted May 11, 2004·65 cites·40 claims
- 0288US5902158ASmall watercraftYAMAHA MOTOR CO LTD·Filed 1996·Granted May 11, 1999·40 cites·44 claims
- 0386US6848956B2Engine control system for watercraftYAMAHA MARINE KK·Filed 2003·Granted Feb 1, 2005·30 cites·49 claims
- 0485US7343906B2Water jet propulsion boatYAMAHA MARINE KK·Filed 2005·Granted Mar 18, 2008·12 cites·17 claims
- 0583US7404293B2Intake system for supercharged engineYAMAHA MARINE KK·Filed 2005·Granted Jul 29, 2008·13 cites·7 claims
- 0682US7458369B2Supercharger lubrication structureYAMAHA MARINE KK·Filed 2005·Granted Dec 2, 2008·10 cites·19 claims
- 0780US5788547AExhaust pipe cooling system for watercraftYAMAHA MOTOR CO LTD·Filed 1996·Granted Aug 4, 1998·34 cites·27 claims
- 0879US5531620AWater-cooled exhaust system for watercraftSANSHIN KOGYO KK·Filed 1994·Granted Jul 2, 1996·27 cites·25 claims
- 0977US7798872B2Water jet propulsion boatYAMAHA MOTOR CO LTD·Filed 2008·Granted Sep 21, 2010·8 cites·6 claims
- 1077US6019090AEngine control for engine powering a watercraftYAMAHA MOTOR CO LTD·Filed 1998·Granted Feb 1, 2000·29 cites·14 claims
- 1174US5372526ADrive bearing lubricating device for water injection propulsion vesselSANSHIN KOGYO KK·Filed 1993·Granted Dec 13, 1994·18 cites·5 claims
- 1273US6024068AWatercraft engine controlYAMAHA MOTOR CO LTD·Filed 1998·Granted Feb 15, 2000·27 cites·7 claims
- 1371US5562509AWatercraft catalytic exhaust systemSANSHIN KOGYO KK·Filed 1995·Granted Oct 8, 1996·24 cites·13 claims
- 1471US5366397AWater jet propulsion unitSANSHIN KOGYO KK·Filed 1993·Granted Nov 22, 1994·17 cites·12 claims
- 1568US5911609AWatercraft exhaust systemSANSHIN KOGYO KK·Filed 1997·Granted Jun 15, 1999·31 cites·16 claims
- 1667US7886586B2Abnormality detection device of fuel pumpYAMAHA MOTOR CO LTD·Filed 2008·Granted Feb 15, 2011·5 cites·3 claims
- 1767US6524150B2Exhaust emission control for watercraftYAMAHA MOTOR CO LTD·Filed 2001·Granted Feb 25, 2003·12 cites·15 claims
- 1867US6120335ACatalytic exhaust system for watercraftYAMAHA MOTOR CO LTD·Filed 1999·Granted Sep 19, 2000·29 cites·28 claims
- 1966US6095876AEngine component layoutYAMAHA MOTOR CO LTD·Filed 1998·Granted Aug 1, 2000·14 cites·30 claims
- 2066US6010378AWatercraft catalytic exhaust systemSANSHIN KOGYO KK·Filed 1997·Granted Jan 4, 2000·21 cites·34 claims
- 2163US8845371B2Water jet propulsion watercraftMOROTA KOICHIRO·Filed 2012·Granted Sep 30, 2014·2 cites·9 claims
- 2263US6022252ABreather arrangement for watercraft engineYAMAHA MOTOR CO LTD·Filed 1998·Granted Feb 8, 2000·18 cites·5 claims
- 2363US5556314AExhaust system for watercraftSANSHIN KOGYO KABUSHUKI KAISHA·Filed 1995·Granted Sep 17, 1996·26 cites·12 claims
- 2462US8133083B2Water jet propulsion boatFUJINO KENICHI·Filed 2008·Granted Mar 13, 2012·4 cites·14 claims
- 2560US11498647B2Control system for small marine vesselYAMAHA MOTOR CO LTD·Filed 2021·Granted Nov 15, 2022·0 cites·12 claims
- 2660US8016989B2Exhaust gas sensorYAMAHA MOTOR CO LTD·Filed 2005·Granted Sep 13, 2011·2 cites·22 claims
- 2760US6425789B2Small watercraftYAMAHA MOTOR CO LTD·Filed 2000·Granted Jul 30, 2002·6 cites·55 claims
- 2860US6244915B1Fuel system and arrangement for small watercraftYAMAHA MOTOR CO LTD·Filed 1998·Granted Jun 12, 2001·18 cites·37 claims
- 2958US9199710B2Water jet propulsion watercraftYAMAHA MOTOR CO LTD·Filed 2014·Granted Dec 1, 2015·0 cites·17 claims
- 3058US8038491B2BoatYAMAHA MOTOR CO LTD·Filed 2009·Granted Oct 18, 2011·1 cites·6 claims
- 3157US6565399B2Watercraft catalytic exhaust systemSANSHIN KOGYO KK·Filed 2002·Granted May 20, 2003·5 cites·45 claims
- 3257US5797775AEngine control system for a watercraftYAMAHA MOTOR CO LTD·Filed 1996·Granted Aug 25, 1998·26 cites·30 claims
- 3355US6250976B1Exhaust emission control for watercraftYAMAHA MOTOR CO LTD·Filed 1997·Granted Jun 26, 2001·17 cites·35 claims
- 3455US5251309ASystem for measuring the efficiency of accessing vector elements using interelement distance of vector data or bank conflictsNEC CORP·Filed 1989·Granted Oct 5, 1993·25 cites·3 claims
- 3554US6068530AOxygen sensor arrangement for watercraftYAMAHA MOTOR CO LTD·Filed 1998·Granted May 30, 2000·13 cites·33 claims
- 3653US11753097B2Seat cushion having an edge portion, to be used for a seat of saddle-riding vehicle, and manufacturing method thereofYAMAHA MOTOR CO LTD·Filed 2022·Granted Sep 12, 2023·0 cites·15 claims
- 3753US5787847AOil supply system for a planing type boatYAMAHA MOTOR CO LTD·Filed 1996·Granted Aug 4, 1998·15 cites·19 claims
- 3853US5702276AWatercraft catalytic exhaust systemSANSHIN KOGYO KK·Filed 1996·Granted Dec 30, 1997·19 cites·24 claims
- 3953US5676575AExhaust system for watercraftSANSHIN KOGYO KK·Filed 1996·Granted Oct 14, 1997·18 cites·18 claims
- 4053US2012096852A1Engine with a charging systemTSUKAHARA KOJYU·Filed 2011·Application pending·0 cites
- 4152US6022253AInjection system for small watercraftYAMAHA MOTOR CO LTD·Filed 1998·Granted Feb 8, 2000·17 cites·14 claims
- 4251US6279546B1Watercraft fuel supply systemYAMAHA MOTOR CO LTD·Filed 1996·Granted Aug 28, 2001·11 cites·40 claims
- 4350US2010313857A1Engine with a charging systemYAMAHA MOTOR CO LTD·Filed 2010·Application pending·0 cites
- 4449US5632660AWatercraft catalytic exhaust systemSANSHIN KOGYO KK·Filed 1995·Granted May 27, 1997·9 cites·21 claims
- 4547US8747172B2Water jet propulsion watercraftOZAWA SHIGEYUKI·Filed 2012·Granted Jun 10, 2014·0 cites·18 claims
- 4647US6517394B2Engine control system for watercraftSANSHIN KOGYO KK·Filed 2001·Granted Feb 11, 2003·5 cites·33 claims
- 4746US8287324B2Water jet propulsion watercraftOZAWA SHIGEYUKI·Filed 2009·Granted Oct 16, 2012·0 cites·17 claims
- 4845US6200178B1Small watercraftYAMAHA MOTOR CO LTD·Filed 1999·Granted Mar 13, 2001·7 cites·43 claims
- 4944US2005204730A1Engine with a charging systemTSUKAHARA KOJYU·Filed 2005·Application pending·0 cites
- 5043US10889359B2Small watercraftYAMAHA MOTOR CO LTD·Filed 2019·Granted Jan 12, 2021·0 cites·12 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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