Inventor · disambiguated record
Masayoshi Nanami
Also filed as: NANAMI MASAYOSHI
59 granted patents·3 pending applications·1,180 citations·filing 1986–2007
99Inventor score
Top patents by PatentIndex Score
62 records- 0197US5951343AEngine lubricating system for watercraftYAMAHA MOTOR CO LTD·Filed 1998·Granted Sep 14, 1999·57 cites·19 claims
- 0296US5031562AMarine steering apparatusSANSHIN KOGYO KK·Filed 1987·Granted Jul 16, 1991·55 cites·15 claims
- 0394US6691023B2Diagnostic system for engineYAMAHA MARINE KK·Filed 2001·Granted Feb 10, 2004·55 cites·52 claims
- 0494US5350325AWater injection propulsion deviceSANSHIN KOGYO KK·Filed 1993·Granted Sep 27, 1994·40 cites·13 claims
- 0593US6015320AOil cooler for watercraftYAMAHA MOTOR CO LTD·Filed 1997·Granted Jan 18, 2000·51 cites·41 claims
- 0693US5839930AEngine lubricating system for watercraftYAMAHA MOTOR CO LTD·Filed 1997·Granted Nov 24, 1998·54 cites·20 claims
- 0793US5558549AFour cycle engine for watercraftSANSHIN KOGYO KK·Filed 1995·Granted Sep 24, 1996·66 cites·33 claims
- 0892US6447351B1Vapor system arrangement for marine engineYAMAHA MOTOR CO LTD·Filed 2000·Granted Sep 10, 2002·23 cites·28 claims
- 0988US5902158ASmall watercraftYAMAHA MOTOR CO LTD·Filed 1996·Granted May 11, 1999·40 cites·44 claims
- 1085US6544084B1Induction system for small watercraftYAMAHA MOTOR CO LTD·Filed 2000·Granted Apr 8, 2003·18 cites·41 claims
- 1185US5683275AAutomatic trim control for jet boatSANSHIN KOGYO KK·Filed 1995·Granted Nov 4, 1997·37 cites·9 claims
- 1283US6419531B1Control system for small watercraftYAMAHA MOTOR CO LTD·Filed 2000·Granted Jul 16, 2002·14 cites·23 claims
- 1383US5782214AExhaust timing control for a planing-type boatSANSHIN KOGYO KK·Filed 1996·Granted Jul 21, 1998·31 cites·8 claims
- 1483US5366401AExhaust cleaning system for marine propulsion engineSANSHIN KOGYO KK·Filed 1993·Granted Nov 22, 1994·54 cites·45 claims
- 1582US6578508B2Small watercraft hull and engine arrangementYAMAHA MOTOR CO LTD·Filed 2002·Granted Jun 17, 2003·21 cites·21 claims
- 1682US5536187AOutboard jet drive for watercraftSANSHIN KOGYO KK·Filed 1994·Granted Jul 16, 1996·23 cites·28 claims
- 1781US6648702B2Control system for small watercraftYAMAHA MOTOR CO LTD·Filed 2002·Granted Nov 18, 2003·12 cites·29 claims
- 1879US6062922AWatercraft propulsion systemYAMAHA MOTOR CO LTD·Filed 1998·Granted May 16, 2000·22 cites·14 claims
- 1978US7182656B2Control system for small watercraftYAMAHA MOTOR CO LTD·Filed 2003·Granted Feb 27, 2007·11 cites·5 claims
- 2077US4813898AWater jet propulsionSANSHIN KOGYO KK·Filed 1987·Granted Mar 21, 1989·20 cites·21 claims
- 2175US6089932ASmall watercraftYAMAHA MOTOR CO LTD·Filed 1997·Granted Jul 18, 2000·19 cites·41 claims
- 2275US5618213ATwin impeller drive for jet pumpSANSHIN KOGYO KK·Filed 1995·Granted Apr 8, 1997·20 cites·16 claims
- 2375US4765075AWater propulsion unit of water jet propulsion craftSANSHIN KOGYO KK·Filed 1986·Granted Aug 23, 1988·19 cites·7 claims
- 2474US6213827B1Watercraft engine exhaust systemYAMAHA MOTOR CO LTD·Filed 1999·Granted Apr 10, 2001·37 cites·19 claims
- 2574US5634832AInduction system for four-cycle watercraft engineSANSHIN KOGYO KK·Filed 1995·Granted Jun 3, 1997·25 cites·21 claims
- 2674US5334063ACooling system for marine propulsion engineSANSHIN KOGYO KK·Filed 1993·Granted Aug 2, 1994·23 cites·12 claims
- 2773US6394860B1Lubrication system for small watercraftYAMAHA MOTOR CO LTD·Filed 2000·Granted May 28, 2002·11 cites·40 claims
- 2871US4773883AMotor for watercraftsSANSHIN KOGYO KK·Filed 1986·Granted Sep 27, 1988·22 cites·21 claims
- 2969US5885121ACooling system for watercraft engineYAMAHA MOTOR CO LTD·Filed 1997·Granted Mar 23, 1999·23 cites·16 claims
- 3068US5647779AManifold and water trap system for marine engineSANSHIN KOGYO KK·Filed 1995·Granted Jul 15, 1997·39 cites·37 claims
- 3167US5338234AWater injection propulsion deviceSANSHIN KOGYO KK·Filed 1993·Granted Aug 16, 1994·14 cites·28 claims
- 3264US6346019B1Exhaust system for engine powering a watercraftYAMAHA MOTOR CO LTD·Filed 2000·Granted Feb 12, 2002·10 cites·8 claims
- 3361US6386931B1Engine mount for watercraftYAMAHA MOTOR CO LTD·Filed 2000·Granted May 14, 2002·10 cites·55 claims
- 3460US6461207B1Lubrication system for small watercraftYAMAHA MOTOR CO LTD·Filed 2000·Granted Oct 8, 2002·8 cites·27 claims
- 3560US6425789B2Small watercraftYAMAHA MOTOR CO LTD·Filed 2000·Granted Jul 30, 2002·6 cites·55 claims
- 3660US6322409B1Injection system for personal watercraftYAMAHA MOTOR CO LTD·Filed 1999·Granted Nov 27, 2001·23 cites·11 claims
- 3759US6554664B1Cooling system for watercraftYAMAHA MOTOR CO LTD·Filed 2000·Granted Apr 29, 2003·14 cites·13 claims
- 3859US6190221B1Crankcase ventilating system for personal watercraftYAMAHA MOTOR CO LTD·Filed 1999·Granted Feb 20, 2001·14 cites·22 claims
- 3959US4811560AExhaust system for marine propulsionSANSHIN KOGYO KK·Filed 1987·Granted Mar 14, 1989·23 cites·29 claims
- 4056US6558214B2Engine arrangement for small planing watercraftYAMAHA MOTOR CO LTD·Filed 2001·Granted May 6, 2003·5 cites·8 claims
- 4156US6497596B1Oil cooler for watercraftYAMAHA MOTOR CO LTD·Filed 1999·Granted Dec 24, 2002·14 cites·17 claims
- 4255US5800222ATwin jet drive for watercraftSANSHIN KOGYO KK·Filed 1995·Granted Sep 1, 1998·10 cites·24 claims
- 4352US7802530B2Personal watercraftYAMAHA MOTOR CO LTD·Filed 2007·Granted Sep 28, 2010·1 cites·8 claims
- 4451US6279546B1Watercraft fuel supply systemYAMAHA MOTOR CO LTD·Filed 1996·Granted Aug 28, 2001·11 cites·40 claims
- 4551US6158368AFuel delivery for small planing watercraftYAMAHA MOTOR CO LTD·Filed 1999·Granted Dec 12, 2000·11 cites·8 claims
- 4646US6062179AFuel-increasing system for an engineSANSHIN KOGYO KK·Filed 1998·Granted May 16, 2000·9 cites·10 claims
- 4745US6200178B1Small watercraftYAMAHA MOTOR CO LTD·Filed 1999·Granted Mar 13, 2001·7 cites·43 claims
- 4842USRE37631EExhaust timing control for a planing-type boatSANSHIN KOGYO KK·Filed 2000·Granted Apr 9, 2002·3 cites·36 claims
- 4942US5370562AWater injection propulsion deviceSANSHIN KOGYO KK·Filed 1993·Granted Dec 6, 1994·5 cites·26 claims
- 5042US2008026648A1Control System For Small WatercraftNANAMI MASAYOSHI·Filed 2007·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
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