Inventor · disambiguated record
Etsuyoshi Watarai
Also filed as: TOKUTOMI FUMIO · WATARAI ETSUYOSHI
110 granted patents·8 pending applications·2,993 citations·filing 1977–2020
99Inventor score
Files withSHIMANO KK90WATARAI ETSUYOSHI18SHIMANO INDUSTRIAL CO3ECHOWELL ELECTRONIC LTD1FUKAO KAZUTAKA1
Top patents by PatentIndex Score
118 records- 0199US9540070B2Bicycle sprocket and bicycle crank assemblySHIMANO KK·Filed 2015·Granted Jan 10, 2017·47 cites·23 claims
- 0299US9199690B2Bicycle suspension systemSHIMANO KK·Filed 2013·Granted Dec 1, 2015·119 cites·21 claims
- 0399US6370981B2Gear indicator for a bicycleSHIMANO KK·Filed 2001·Granted Apr 16, 2002·1.4k cites·15 claims
- 0497US9517811B1Bicycle bottom bracket assemblySHIMANO KK·Filed 2015·Granted Dec 13, 2016·15 cites·4 claims
- 0597US9511819B1Bicycle rear sprocket assemblySHIMANO KK·Filed 2015·Granted Dec 6, 2016·21 cites·29 claims
- 0697US8137223B2Bicycle rear derailleurWATARAI ETSUYOSHI·Filed 2008·Granted Mar 20, 2012·57 cites·17 claims
- 0797US5577969AShifting apparatus for operating front and rear derailleurs with a single manual levelSHIMANO KK·Filed 1994·Granted Nov 26, 1996·124 cites·19 claims
- 0896US9334910B2Lock member for fixedly locking a disc brake rotor on a bicycle hubSHIMANO KK·Filed 2014·Granted May 10, 2016·20 cites·24 claims
- 0995US9422993B2Rotor cover, rotor cooling apparatus, and temperature-level indicatorSHIMANO KK·Filed 2014·Granted Aug 23, 2016·11 cites·23 claims
- 1095US7654548B2Bicycle wheel securing structureSHIMANO KK·Filed 2008·Granted Feb 2, 2010·40 cites·9 claims
- 1195US7540147B2Master cylinder lever for a hydraulic brake with dead-band adjustment mechanismSHIMANO KK·Filed 2007·Granted Jun 2, 2009·22 cites·20 claims
- 1295US5653649AShifting apparatus for operating front and rear derailleurs with a single manual leverSHIMANO KK·Filed 1996·Granted Aug 5, 1997·104 cites·3 claims
- 1394US10363992B2Electric bicycle componentSHIMANO KK·Filed 2015·Granted Jul 30, 2019·19 cites·16 claims
- 1494US10036465B2Bicycle componentSHIMANO KK·Filed 2016·Granted Jul 31, 2018·11 cites·32 claims
- 1594US9631714B2Bicycle sprocket and bicycle crank assemblySHIMANO KK·Filed 2015·Granted Apr 25, 2017·22 cites·33 claims
- 1694US8651993B1Bicycle drive unitSHIMANO KK·Filed 2012·Granted Feb 18, 2014·27 cites·11 claims
- 1794US7669871B2Bicycle wheel securing adapter and bicycle fork using the sameSHIMANO KK·Filed 2007·Granted Mar 2, 2010·34 cites·23 claims
- 1894US7516677B2Torsion detecting sleeve member and torque-detecting deviceSHIMANO KK·Filed 2007·Granted Apr 14, 2009·31 cites·12 claims
- 1993US11091226B2Bicycle controller and bicycle control system including bicycle controllerSHIMANO KK·Filed 2020·Granted Aug 17, 2021·2 cites·12 claims
- 2093US10836453B2Bicycle controller and bicycle control system including bicycle controllerSHIMANO KK·Filed 2017·Granted Nov 17, 2020·5 cites·21 claims
- 2192US9963197B2Electric bicycle rear derailleurSHIMANO KK·Filed 2015·Granted May 8, 2018·14 cites·26 claims
- 2292US9682744B2Bicycle shifting control apparatusSHIMANO KK·Filed 2014·Granted Jun 20, 2017·11 cites·19 claims
- 2392US7654546B2Bicycle wheel securing structureSHIMANO KK·Filed 2007·Granted Feb 2, 2010·29 cites·14 claims
- 2491US8881608B2Bicycle crank armTETSUKA TOSHIO·Filed 2012·Granted Nov 11, 2014·24 cites·19 claims
- 2591US7308791B2Hydraulic disc brake lever assemblySHIMANO KK·Filed 2005·Granted Dec 18, 2007·17 cites·11 claims
- 2690US9469381B2Bicycle control deviceSHIMANO KK·Filed 2013·Granted Oct 18, 2016·8 cites·11 claims
- 2790US9150277B2Bicycle crank assemblySHIMANO KK·Filed 2014·Granted Oct 6, 2015·21 cites·14 claims
- 2890US8007383B2Low profile rear derailleurSHIMANO KK·Filed 2007·Granted Aug 30, 2011·27 cites·119 claims
- 2989US7648211B2Bicycle wheel securing structureSHIMANO KK·Filed 2007·Granted Jan 19, 2010·22 cites·19 claims
- 3089US7389642B2Hydraulic disc brake lever assemblySHIMANO KK·Filed 2007·Granted Jun 24, 2008·13 cites·9 claims
- 3188US9283815B2Bicycle wheelWATARAI ETSUYOSHI·Filed 2012·Granted Mar 15, 2016·5 cites·14 claims
- 3288US6192300B1Bicycle computerECHOWELL ELECTRONIC LTD·Filed 1997·Granted Feb 20, 2001·82 cites·30 claims
- 3387US9919616B2Control system for bicycleSHIMANO KK·Filed 2015·Granted Mar 20, 2018·6 cites·20 claims
- 3487US9573652B2Bicycle derailleurSHIMANO KK·Filed 2014·Granted Feb 21, 2017·17 cites·7 claims
- 3587US7650814B2Bicycle cableSHIMANO KK·Filed 2006·Granted Jan 26, 2010·10 cites·20 claims
- 3686US11203395B2Bicycle sprocket and bicycle sprocket assemblySHIMANO KK·Filed 2019·Granted Dec 21, 2021·3 cites·5 claims
- 3786US9546731B2Bicycle gear changing control apparatus, electrically assisted system, and bicycle gear changing control methodSHIMANO KK·Filed 2015·Granted Jan 17, 2017·8 cites·9 claims
- 3886US8831810B2Bicycle drive apparatusSHOGE AKIHIKO·Filed 2012·Granted Sep 9, 2014·18 cites·11 claims
- 3986US7484600B2Bicycle disk brake caliper with a recursive cooling systemSHIMANO KK·Filed 2006·Granted Feb 3, 2009·9 cites·13 claims
- 4085US8781663B2Bicycle drive apparatusWATARAI ETSUYOSHI·Filed 2012·Granted Jul 15, 2014·14 cites·9 claims
- 4185US8689645B2Bicycle crank armWATARAI ETSUYOSHI·Filed 2012·Granted Apr 8, 2014·14 cites·17 claims
- 4285US5941125ABicycle shifting apparatus having remotely located levers for operating a single transmissionSHIMANO KK·Filed 1997·Granted Aug 24, 1999·59 cites·65 claims
- 4385US5678455ABar-end shifting deviceSHIMANO KK·Filed 1996·Granted Oct 21, 1997·51 cites·20 claims
- 4483US8277346B2Low profile rear derailleurWATARAI ETSUYOSHI·Filed 2006·Granted Oct 2, 2012·16 cites·85 claims
- 4581US9561734B2Bicycle power supply systemWATARAI ETSUYOSHI·Filed 2012·Granted Feb 7, 2017·8 cites·17 claims
- 4680US7942250B2Bicycle hydraulic brake deviceSHIMANO KK·Filed 2007·Granted May 17, 2011·9 cites·24 claims
- 4778US9429203B2Disc brake rotorSHIMANO KK·Filed 2014·Granted Aug 30, 2016·3 cites·20 claims
- 4878US8662258B2Bicycle having brake with quick release mechanismWATARAI ETSUYOSHI·Filed 2012·Granted Mar 4, 2014·4 cites·10 claims
- 4977US9650105B2Bicycle operating deviceSHIMANO KK·Filed 2015·Granted May 16, 2017·2 cites·17 claims
- 5077US9017201B2Bicycle drive unitHINO TETSUYA·Filed 2012·Granted Apr 28, 2015·9 cites·17 claims
Showing the top 50 of 118 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →