Inventor · disambiguated record
Kenji Kamada
Also filed as: KAMADA KENJI
64 granted patents·5 pending applications·1,470 citations·filing 1991–2020
99Inventor score
Top patents by PatentIndex Score
69 records- 0199US9540070B2Bicycle sprocket and bicycle crank assemblySHIMANO KK·Filed 2015·Granted Jan 10, 2017·47 cites·23 claims
- 0298US6340338B1Bicycle sprocketSHIMANO KK·Filed 2000·Granted Jan 22, 2002·199 cites·48 claims
- 0397US10059400B2Multiple bicycle sprocket assemblySHIMANO KK·Filed 2015·Granted Aug 28, 2018·26 cites·2 claims
- 0496US8226511B2Bicycle sprocket tooth with a shift assist radius greater than a reference tooth radiusKAMADA KENJI·Filed 2005·Granted Jul 24, 2012·64 cites·14 claims
- 0596US8057338B2Bicycle sprocket apparatus with reinforcement between sprocketsKAMADA KENJI·Filed 2005·Granted Nov 15, 2011·76 cites·21 claims
- 0696US7914410B2Bicycle chain connecting linkSHIMANO KK·Filed 2006·Granted Mar 29, 2011·23 cites·22 claims
- 0796US7871347B2Bicycle rear sprocket assemblySHIMANO KK·Filed 2007·Granted Jan 18, 2011·59 cites·19 claims
- 0894US9631714B2Bicycle sprocket and bicycle crank assemblySHIMANO KK·Filed 2015·Granted Apr 25, 2017·22 cites·33 claims
- 0994US8641151B2Sprocket support structureKAMADA KENJI·Filed 2010·Granted Feb 4, 2014·36 cites·21 claims
- 1094US7644511B2Heating and blowing apparatusMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Jan 12, 2010·24 cites·6 claims
- 1193US10093388B2Bicycle rear sprocket assemblySHIMANO KK·Filed 2016·Granted Oct 9, 2018·15 cites·24 claims
- 1293US7007512B2Method for machining glass substrateNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Mar 7, 2006·52 cites·12 claims
- 1392US7585240B2Bicycle sprocket assemblySHIMANO KK·Filed 2005·Granted Sep 8, 2009·36 cites·21 claims
- 1490US7942771B2Bicycle sprocket apparatus with a shift inhibiting structureSHIMANO KK·Filed 2005·Granted May 17, 2011·29 cites·12 claims
- 1590US7637265B2Eyelash treating devicePANASONIC ELEC WORKS CO LTD·Filed 2004·Granted Dec 29, 2009·44 cites·6 claims
- 1689US6986212B2Hair dryer with minus ion generatorMATSUSHITA ELECTRIC WORKS LTD·Filed 2003·Granted Jan 17, 2006·33 cites·11 claims
- 1789US6866604B2Multiple level sprocket support for a bicycleSHIMANO KK·Filed 2003·Granted Mar 15, 2005·48 cites·21 claims
- 1888US11066118B2Bicycle seatpost systemSHIMANO KK·Filed 2018·Granted Jul 20, 2021·6 cites·21 claims
- 1988US8096908B2Bicycle sprocket with a laterally projecting gear change toothOISHI TOSHINARI·Filed 2004·Granted Jan 17, 2012·49 cites·16 claims
- 2088US7044876B2Bicycle sprocket having lateral protrusions for use in a multiple sprocket assemblySHIMANO KK·Filed 2003·Granted May 16, 2006·36 cites·32 claims
- 2187US11440346B2Hub assembly and drive trainSHIMANO KK·Filed 2019·Granted Sep 13, 2022·7 cites·20 claims
- 2287US11180217B2Multiple bicycle sprocket assemblySHIMANO KK·Filed 2018·Granted Nov 23, 2021·6 cites·9 claims
- 2386US7165341B2Hair dryer with minus ion generatorMATSUSHITA ELECTRIC WORKS LTD·Filed 2005·Granted Jan 23, 2007·11 cites·6 claims
- 2486US7011592B2Sprocket assembly for a bicycleSHIMANO KK·Filed 2002·Granted Mar 14, 2006·51 cites·60 claims
- 2585US7435197B2Rear sprocket for bicycle transmissionSHIMANO KK·Filed 2005·Granted Oct 14, 2008·21 cites·10 claims
- 2684US10352397B2Bicycle chainSHIMANO KK·Filed 2017·Granted Jul 16, 2019·7 cites·17 claims
- 2784US5551841AAxial-flow fanMARSUSHITA ELECTRIC WORKS LTD·Filed 1995·Granted Sep 3, 1996·61 cites·8 claims
- 2883US10865870B2Bicycle sprocketSHIMANO KK·Filed 2018·Granted Dec 15, 2020·6 cites·20 claims
- 2983US10053187B2Bicycle rear sprocket assembly and bicycle rear sprocketSHIMANO KK·Filed 2016·Granted Aug 21, 2018·6 cites·21 claims
- 3082US6591516B2Hair dryerMATSUSHITA ELECTRIC WORKS LTD·Filed 2001·Granted Jul 15, 2003·26 cites·22 claims
- 3181US11364971B2Bicycle sprocket assembly and bicycle drive trainSHIMANO KK·Filed 2017·Granted Jun 21, 2022·2 cites·21 claims
- 3281US5995631ASound image localization apparatus, stereophonic sound image enhancement apparatus, and sound image control systemKAWAI MUSICAL INSTR MFG CO·Filed 1997·Granted Nov 30, 1999·83 cites·11 claims
- 3380US11046392B2Human-powered vehicle control deviceSHIMANO KK·Filed 2019·Granted Jun 29, 2021·3 cites·25 claims
- 3479US11591044B2Bicycle sprocket assembly and bicycle sprocketSHIMANO KK·Filed 2020·Granted Feb 28, 2023·1 cites·14 claims
- 3579US7846047B2Bicycle sprocket having a thickened splineSHIMANO KK·Filed 2004·Granted Dec 7, 2010·28 cites·17 claims
- 3676US11584473B2Suspension control device for a human-powered vehicleSHIMANO KK·Filed 2018·Granted Feb 21, 2023·3 cites·10 claims
- 3775US10584785B2Bicycle sprocket and bicycle sprocket assemblySHIMANO KK·Filed 2017·Granted Mar 10, 2020·3 cites·24 claims
- 3874US9890326B2Light up-conversion luminescent substanceAIST·Filed 2014·Granted Feb 13, 2018·2 cites·3 claims
- 3974US7473198B2Apparatus for connecting bicycle chain links togetherSHIMANO KK·Filed 2005·Granted Jan 6, 2009·7 cites·13 claims
- 4074US5216415AMethod of driving a matrix-type liquid crystal display deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Jun 1, 1993·49 cites·4 claims
- 4173US7676952B2Hair dryer with static atomizing devicePANASONIC ELEC WORKS CO LTD·Filed 2006·Granted Mar 16, 2010·8 cites·8 claims
- 4273US6738203B2Optical power limiting materialSECRETARY AGENCY OF IND SCIENC·Filed 2000·Granted May 18, 2004·16 cites·25 claims
- 4371US11414157B2Bicycle rear sprocket assemblySHIMANO KK·Filed 2019·Granted Aug 16, 2022·1 cites·24 claims
- 4471US8142090B2Cosmetic product and method of applying a mascara compositionKAMADA KENJI·Filed 2005·Granted Mar 27, 2012·4 cites·14 claims
- 4569US11148755B2Bicycle derailleurSHIMANO KK·Filed 2018·Granted Oct 19, 2021·2 cites·24 claims
- 4669US10183724B2Bicycle hydraulic operating systemSHIMANO KK·Filed 2016·Granted Jan 22, 2019·2 cites·14 claims
- 4767US11008065B2Bicycle sprocket arrangementSHIMANO KK·Filed 2018·Granted May 18, 2021·2 cites·24 claims
- 4867US8177670B2Bicycle sprocketKAMADA KENJI·Filed 2009·Granted May 15, 2012·8 cites·14 claims
- 4967US7082747B2Chain connecting pin extracting apparatusSHIMANO KK·Filed 2004·Granted Aug 1, 2006·13 cites·21 claims
- 5063US10457353B2Bicycle rear sprocket assemblySHIMANO KK·Filed 2016·Granted Oct 29, 2019·2 cites·16 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 →