Inventor · disambiguated record
Masahiro Yamanaka
Also filed as: YAMANAKA MASAHIRO
60 granted patents·9 pending applications·1,141 citations·filing 1992–2022
99Inventor score
Files withSHIMANO KK47HONDA MOTOR CO LTD6YAMANAKA MASAHIRO5MATSUSHITA ELECTRIC WORKS LTD3MITSUBISHI KASEI VINYL2
Top patents by PatentIndex Score
69 records- 0199US11505277B1Crank arm for crank assembly of human powered vehicleSHIMANO KK·Filed 2022·Granted Nov 22, 2022·12 cites·11 claims
- 0297US7686721B2Bicycle chainringSHIMANO KK·Filed 2005·Granted Mar 30, 2010·90 cites·24 claims
- 0395US6409281B1Bicycle hub with spacer and detachable freewheelSHIMANO KK·Filed 2000·Granted Jun 25, 2002·63 cites·29 claims
- 0491US6860171B1Drive mechanism for a bicycle transmission assist mechanismSHIMANO KK·Filed 1999·Granted Mar 1, 2005·57 cites·46 claims
- 0591US6755095B2Bicycle crank assembly and assembly toolsSHIMANO KK·Filed 2002·Granted Jun 29, 2004·37 cites·12 claims
- 0687US7650817B2Bicycle crank assemblySHIMANO KK·Filed 2006·Granted Jan 26, 2010·27 cites·20 claims
- 0787US7650818B2Bicycle shaft componentSHIMANO KK·Filed 2007·Granted Jan 26, 2010·16 cites·23 claims
- 0886US8267417B1Bicycle bottom bracket assemblyYAMANAKA MASAHIRO·Filed 2011·Granted Sep 18, 2012·18 cites·13 claims
- 0986US7503700B2Bicycle bottom bracket assemblySHIMANO KK·Filed 2006·Granted Mar 17, 2009·16 cites·16 claims
- 1086US5852954ABicycle crank arm parts/assembly and assembly toolsSHIMANO KK·Filed 1997·Granted Dec 29, 1998·42 cites·4 claims
- 1184US8375827B2Bicycle crank assemblySHIMANO KK·Filed 2010·Granted Feb 19, 2013·17 cites·25 claims
- 1284US7436123B2Discharge lamp ballast device and lighting applianceMATSUSHITA ELECTRIC WORKS LTD·Filed 2005·Granted Oct 14, 2008·13 cites·27 claims
- 1384US6475110B1Bicycle front chainwheel assemblySHIMANO KK·Filed 2000·Granted Nov 5, 2002·28 cites·20 claims
- 1482US5446064AThermoplastic elastomer compositionMITSUBISHI CHEMICAL MKV CO·Filed 1994·Granted Aug 29, 1995·36 cites·11 claims
- 1579US6988427B2Seal assembly for a bicycle bottom bracketSHIMANO KK·Filed 2001·Granted Jan 24, 2006·28 cites·40 claims
- 1679US6938516B2Bicycle crank axle boltSHIMANO KK·Filed 2003·Granted Sep 6, 2005·18 cites·10 claims
- 1779US6450909B1Bicycle front chainwheel assemblySHIMANO KK·Filed 2001·Granted Sep 17, 2002·16 cites·9 claims
- 1878US8616085B2Bicycle crank assemblyNONOSHITA TETSU·Filed 2010·Granted Dec 31, 2013·5 cites·12 claims
- 1978US5517399APower supply having a chopper with an improved power factorMATSUSHITA ELECTRIC WORKS LTD·Filed 1993·Granted May 14, 1996·55 cites·15 claims
- 2077US7234373B2Bicycle crank axle with a radial projectionSHIMANO KK·Filed 2003·Granted Jun 26, 2007·10 cites·9 claims
- 2177USRE39528EBicycle hub with spacer and detachable freewheelSHIMANO KK·Filed 2004·Granted Mar 27, 2007·20 cites·29 claims
- 2276US6443865B1Bicycle front chainwheel assemblySHIMANO KK·Filed 2001·Granted Sep 3, 2002·19 cites·9 claims
- 2376US5907980ABicycle crank arm parts/assembly and assembly toolsSHIMANO KK·Filed 1997·Granted Jun 1, 1999·22 cites·5 claims
- 2476US5819599ABicycle crank arm parts/assembly and assembly toolsSHIMANO KK·Filed 1997·Granted Oct 13, 1998·28 cites·11 claims
- 2575US2022267922A1Surface treatment deviceHONDA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 2673US7856903B2Bicycle crank axle with a radial projectionSHIMANO KK·Filed 2006·Granted Dec 28, 2010·6 cites·12 claims
- 2771US7378804B2Ballast for a discharge lamp with integrated control circuit for controlling switching element of dc power supply and inverter circuitMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted May 27, 2008·27 cites·6 claims
- 2871US7061228B2Apparatus for detecting rotation of a bicycle partSHIMANO KK·Filed 2003·Granted Jun 13, 2006·24 cites·22 claims
- 2971US6415684B1Bicycle crank arm parts/assembly and assembly toolsSHIMANO KK·Filed 2000·Granted Jul 9, 2002·13 cites·71 claims
- 3070US7258041B2Bicycle crank assemblySHIMANO KK·Filed 2004·Granted Aug 21, 2007·17 cites·20 claims
- 3170US5957592AExpandable bearing retainerSHIMANO KK·Filed 1997·Granted Sep 28, 1999·36 cites·19 claims
- 3270US5893299ABicycle crank armSHIMANO KK·Filed 1998·Granted Apr 13, 1999·28 cites·7 claims
- 3370US5819600ABicycle crank arm parts/assembly and assembly toolsSHIMANO KK·Filed 1997·Granted Oct 13, 1998·23 cites·24 claims
- 3469US9487266B2Bicycle crank axle assemblySHIMANO KK·Filed 2014·Granted Nov 8, 2016·2 cites·17 claims
- 3569US9359042B2Bicycle crank assemblySHIMANO KK·Filed 2013·Granted Jun 7, 2016·2 cites·14 claims
- 3669US7503239B2Bicycle crank arm assemblySHIMANO KK·Filed 2003·Granted Mar 17, 2009·15 cites·12 claims
- 3768US6393939B1Bicycle crank arm parts/assembly and assembly toolsSHIMANO KK·Filed 2000·Granted May 28, 2002·12 cites·50 claims
- 3868US5904072ABicycle crank armSHIMANO KK·Filed 1996·Granted May 18, 1999·20 cites·18 claims
- 3968US5270381AThermoplastic elastomer composition of crystalline chlorinated polyethyleneMITSUBISHI KASEI VINYL·Filed 1992·Granted Dec 14, 1993·22 cites·14 claims
- 4067US8721187B2Bicycle axle assemblyYAMANAKA MASAHIRO·Filed 2007·Granted May 13, 2014·3 cites·11 claims
- 4167US6058803AHollow bicycle crank and method for manufacturing sameSHIMANO KK·Filed 1997·Granted May 9, 2000·28 cites·7 claims
- 4266US8677859B2Bicycle crank axle assemblyYAMANAKA MASAHIRO·Filed 2011·Granted Mar 25, 2014·4 cites·17 claims
- 4365US7152501B2Bicycle crank fixing structureSHIMANO KK·Filed 2005·Granted Dec 26, 2006·5 cites·17 claims
- 4464US11371158B2Surface treatment deviceHONDA MOTOR CO LTD·Filed 2018·Granted Jun 28, 2022·0 cites·4 claims
- 4562US11078586B2Zinc-nickel composite plating bath, zinc-nickel composite plating film, mold and plating methodHONDA MOTOR CO LTD·Filed 2017·Granted Aug 3, 2021·0 cites·7 claims
- 4661US5845543ABicycle crank arm parts/assembly and assembly toolsSHIMANO KK·Filed 1996·Granted Dec 8, 1998·17 cites·10 claims
- 4760US8246064B2Bicycle crank assemblyKUROIWA EIGO·Filed 2009·Granted Aug 21, 2012·7 cites·16 claims
- 4860US6145184AMethod of manufacturing hollow bicycle crank armSHIMANO KK·Filed 1999·Granted Nov 14, 2000·16 cites·12 claims
- 4959US8438947B2Bicycle crank armYAMANAKA MASAHIRO·Filed 2011·Granted May 14, 2013·3 cites·9 claims
- 5059US5988016ABycycle crank armSHIMANO KK·Filed 1999·Granted Nov 23, 1999·20 cites·21 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →