Inventor · disambiguated record
Sumihiro Takashima
Also filed as: TAKASHIMA SUMIHIRO
20 granted patents·441 citations·filing 1988–2019
95Inventor score
Files withYAMAHA MOTOR CO LTD11YAMAHA MARINE KK4OKI ELECTRIC IND CO LTD3OKO ELECTRIC INDUSTRY CO LTD1OTSUKA KENICHI1
Top patents by PatentIndex Score
20 records- 0196US6352045B1Immobilization system for watercraftYAMAHA MOTOR CO LTD·Filed 2000·Granted Mar 5, 2002·90 cites·10 claims
- 0293US6125782ASmall craft with G.P.S.YAMAHA MOTOR CO LTD·Filed 1998·Granted Oct 3, 2000·68 cites·9 claims
- 0392US7422495B2Operation control system for small boatYAMAHA MARINE KK·Filed 2006·Granted Sep 9, 2008·24 cites·14 claims
- 0489US7201620B2Operation control system for planing boatYAMAHA MARINE KK·Filed 2006·Granted Apr 10, 2007·20 cites·20 claims
- 0588US6032605AAdjustable sponson system for watercraftYAMAHA MOTOR CO LTD·Filed 1997·Granted Mar 7, 2000·43 cites·29 claims
- 0687US5941188ADisplay arrangement for watercraftYAMAHA MOTOR CO LTD·Filed 1997·Granted Aug 24, 1999·40 cites·15 claims
- 0783US7549900B2Operation control apparatus for planing boatYAMAHA MOTOR CO LTD·Filed 2007·Granted Jun 23, 2009·12 cites·11 claims
- 0879US8505475B2Personal watercraftOTSUKA KENICHI·Filed 2011·Granted Aug 13, 2013·6 cites·10 claims
- 0973US7513807B2Operation control system for planing boatYAMAHA MOTOR CO LTD·Filed 2006·Granted Apr 7, 2009·9 cites·18 claims
- 1068US5180991AFrequency adjustable RC oscillatorOKI ELECTRIC IND CO LTD·Filed 1991·Granted Jan 19, 1993·32 cites·17 claims
- 1167US7131876B2Control device for small watercraftYAMAHA MARINE KK·Filed 2004·Granted Nov 7, 2006·11 cites·17 claims
- 1261US7186154B2Security system for watercraftYAMAHA MOTOR CO LTD·Filed 2004·Granted Mar 6, 2007·7 cites·13 claims
- 1358US5398007ALow-power baud rate generator including two oscillatorsOKI ELECTRIC IND CO LTD·Filed 1994·Granted Mar 14, 1995·30 cites·29 claims
- 1457US4962413AAnalog switch with minimized noise ascribable to gate capacitanceOKI ELECTRIC IND CO LTD·Filed 1988·Granted Oct 9, 1990·19 cites·15 claims
- 1551US7053782B2Fuel overflow alarm systemYAMAHA MARINE KK·Filed 2004·Granted May 30, 2006·5 cites·20 claims
- 1650US10689070B2Boat and personal watercraftYAMAHA MOTOR CO LTD·Filed 2019·Granted Jun 23, 2020·0 cites·20 claims
- 1749US11161585B2BoatYAMAHA MOTOR CO LTD·Filed 2019·Granted Nov 2, 2021·0 cites·12 claims
- 1843US6213041B1Speed sensor for personal watercraftYAMAHA MOTOR CO LTD·Filed 1999·Granted Apr 10, 2001·11 cites·30 claims
- 1939US5894087ASpeed sensor for watercraftYAMAHA MOTOR CO LTD·Filed 1997·Granted Apr 13, 1999·11 cites·21 claims
- 2025US5703516AOffset cancel circuit and offset cancel system using the sameOKO ELECTRIC INDUSTRY CO LTD·Filed 1996·Granted Dec 30, 1997·3 cites·5 claims
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