Inventor · disambiguated record
Tomoyoshi Koyanagi
Also filed as: KOYANAGI TOMOYOSHI
22 granted patents·1 pending application·366 citations·filing 1991–2021
96Inventor score
Files withYAMAHA MOTOR CO LTD18YAMAHA MARINE KK3MOCHLY-ROSEN DARIA D1YAMAHA HADSUDOKI KABUSHIKI KAI1
Top patents by PatentIndex Score
23 records- 0194US5494464AControl for jet powered watercraftYAMAHA MOTOR CO LTD·Filed 1994·Granted Feb 27, 1996·42 cites·13 claims
- 0293US5123372ALadder arrangement for a watercraftYAMAHA MOTOR CO LTD·Filed 1991·Granted Jun 23, 1992·50 cites·19 claims
- 0392US5607332AControl for jet powered watercraftYAMAHA MOTOR CO LTD·Filed 1994·Granted Mar 4, 1997·36 cites·20 claims
- 0491US5586922AWatercraftYAMAHA MOTOR CO LTD·Filed 1995·Granted Dec 24, 1996·31 cites·16 claims
- 0590US11987340B2Hull behavior control system and marine vesselYAMAHA MOTOR CO LTD·Filed 2021·Granted May 21, 2024·6 cites·13 claims
- 0690US11964742B2Hull behavior control system and marine vesselYAMAHA MOTOR CO LTD·Filed 2021·Granted Apr 23, 2024·5 cites·18 claims
- 0790US11755035B2Unmanned aerial vehicle control system and unmanned aerial vehicle control methodYAMAHA MOTOR CO LTD·Filed 2021·Granted Sep 12, 2023·2 cites·14 claims
- 0883US5449305AWatercraftYAMAHA MOTOR CO LTD·Filed 1992·Granted Sep 12, 1995·20 cites·31 claims
- 0981US5429533AControl for watercraftYAMAHA MOTOR CO LTD·Filed 1993·Granted Jul 4, 1995·28 cites·10 claims
- 1074US7320251B2Load detector and transport equipment including the sameYAMAHA MOTOR CO LTD·Filed 2005·Granted Jan 22, 2008·9 cites·17 claims
- 1169US6058873AHull construction for small watercraftYAMAHA MOTOR CO LTD·Filed 1996·Granted May 9, 2000·21 cites·53 claims
- 1268US5879211AWatercraft component layoutYAMAHA MOTOR CO LTD·Filed 1996·Granted Mar 9, 1999·17 cites·25 claims
- 1367US7430466B2Steering force detection device for steering handle of vehicleYAMAHA MARINE KK·Filed 2005·Granted Sep 30, 2008·5 cites·20 claims
- 1462US7337739B2Steering-force detection device for steering handle of vehicleYAMAHA MARINE KK·Filed 2005·Granted Mar 4, 2008·4 cites·7 claims
- 1561US6116182AHull for personal watercraftYAMAHA MOTOR CO LTD·Filed 1999·Granted Sep 12, 2000·16 cites·36 claims
- 1661US5752867ASmall watercraft seatYAMAHA MOTOR CO LTD·Filed 1996·Granted May 19, 1998·22 cites·32 claims
- 1755US6101965ARide plate for watercraftYAMAHA HADSUDOKI KABUSHIKI KAI·Filed 1997·Granted Aug 15, 2000·16 cites·22 claims
- 1855US5586921AWatercraftYAMAHA MOTOR CO LTD·Filed 1995·Granted Dec 24, 1996·8 cites·21 claims
- 1954USD392936SRide plateYAMAHA MOTOR CO LTD·Filed 1996·Granted Mar 31, 1998·8 cites·1 claims
- 2052US2009124553A1Suppression of inflammation associated with transplantation using an epsilon PKC inhibitorMOCHLY-ROSEN DARIA D·Filed 2008·Application pending·0 cites
- 2151US7053782B2Fuel overflow alarm systemYAMAHA MARINE KK·Filed 2004·Granted May 30, 2006·5 cites·20 claims
- 2250US5376028AJet propelled watercraftYAMAHA MOTOR CO LTD·Filed 1992·Granted Dec 27, 1994·9 cites·27 claims
- 2333US5873322AEngine start system for a small boatYAMAHA MOTOR CO LTD·Filed 1996·Granted Feb 23, 1999·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →