Assignee
HARMONIC DRIVE SYSTEMS
JP·271 granted patents·31 pending applications·2,562 citations·filing 1987–2024
Top patents by PatentIndex Score
302 records- 0197US4823638ATooth profile of spline of strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 1987·Granted Apr 25, 1989·88 cites·4 claims
- 0296US4974470ATooth profile of one of circular splines of flat-shaped strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 1988·Granted Dec 4, 1990·79 cites·3 claims
- 0395US7498914B2Method for magnetizing ring magnet and magnetic encoderHARMONIC DRIVE SYSTEMS·Filed 2005·Granted Mar 3, 2009·48 cites·8 claims
- 0494US5984048ALubricant supplying mechanism for a wave gear driveHARMONIC DRIVE SYSTEMS·Filed 1997·Granted Nov 16, 1999·70 cites·15 claims
- 0594US5269202ACup-type harmonic drive having a short, flexible cup memberHARMONIC DRIVE SYSTEMS·Filed 1992·Granted Dec 14, 1993·112 cites·28 claims
- 0692US9874273B2Method of manufacturing a flexible externally toothed gear for strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 2015·Granted Jan 23, 2018·3 cites·12 claims
- 0792US9394985B2Flexible externally toothed gear, strain wave gearing, and method for fastening flexible externally toothed gearHARMONIC DRIVE SYSTEMS·Filed 2013·Granted Jul 19, 2016·10 cites·6 claims
- 0891US7077446B2Finger unit for robot handHARMONIC DRIVE SYSTEMS·Filed 2003·Granted Jul 18, 2006·113 cites·5 claims
- 0991US6526849B1Negative deflection flexible meshing type gear device having passing tooth profile with maximized tooth heightHARMONIC DRIVE SYSTEMS·Filed 2000·Granted Mar 4, 2003·54 cites·5 claims
- 1090US11885403B2Lubricant sealing structure, strain wave gearing, and actuatorHARMONIC DRIVE SYSTEMS·Filed 2020·Granted Jan 30, 2024·4 cites·6 claims
- 1190US10890239B2Externally toothed gear for strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 2016·Granted Jan 12, 2021·6 cites·6 claims
- 1290US10352426B2Flat strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 2015·Granted Jul 16, 2019·6 cites·7 claims
- 1389US11359938B2Dual absolute encoderHARMONIC DRIVE SYSTEMS·Filed 2021·Granted Jun 14, 2022·2 cites·25 claims
- 1489US10253862B2Dual-type strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 2015·Granted Apr 9, 2019·5 cites·10 claims
- 1589US8991282B2Wave gear unit with input bearingsHARMONIC DRIVE SYSTEMS·Filed 2012·Granted Mar 31, 2015·23 cites·8 claims
- 1689US7905326B2Method for lubricating wave reduction gear, and rotating table deviceHARMONIC DRIVE SYSTEMS·Filed 2008·Granted Mar 15, 2011·17 cites·4 claims
- 1789US7471080B2Magnetic absolute encoderHARMONIC DRIVE SYSTEMS·Filed 2007·Granted Dec 30, 2008·19 cites·20 claims
- 1889US6700271B2Hybrid synchronous motor equipped with toroidal windingHARMONIC DRIVE SYSTEMS·Filed 2001·Granted Mar 2, 2004·51 cites·7 claims
- 1989US5775178AWave gear deviceHARMONIC DRIVE SYSTEMS·Filed 1996·Granted Jul 7, 1998·53 cites·11 claims
- 2088US11874143B2Dual absolute encoderHARMONIC DRIVE SYSTEMS·Filed 2022·Granted Jan 16, 2024·1 cites·17 claims
- 2188US10788114B2Strain wave gearing with full separation of two stressesHARMONIC DRIVE SYSTEMS·Filed 2018·Granted Sep 29, 2020·4 cites·6 claims
- 2287US10823278B2Silk hat-type strain wave gear deviceHARMONIC DRIVE SYSTEMS·Filed 2017·Granted Nov 3, 2020·6 cites·7 claims
- 2387US10816073B2Strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 2017·Granted Oct 27, 2020·3 cites·8 claims
- 2487US10788115B2Strain wave gearing with full separation of two stressesHARMONIC DRIVE SYSTEMS·Filed 2016·Granted Sep 29, 2020·4 cites·6 claims
- 2587US10132398B2Strain wave gearing and method for manufacturing multi-layer hollow bodyHARMONIC DRIVE SYSTEMS·Filed 2014·Granted Nov 20, 2018·6 cites·6 claims
- 2687US7823475B2Sealed worm gear type finger joint unitHARMONIC DRIVE SYSTEMS·Filed 2006·Granted Nov 2, 2010·20 cites·8 claims
- 2787US7748118B2Method for manufacturing rigid internal gear of wave gear deviceHARMONIC DRIVE SYSTEMS·Filed 2005·Granted Jul 6, 2010·14 cites·1 claims
- 2887US7694607B2Wave gear drive with continuous meshing, high ratcheting torque tooth profileHARMONIC DRIVE SYSTEMS·Filed 2007·Granted Apr 13, 2010·18 cites·5 claims
- 2987US7165473B2Wave gear device having internal gear integrally formed with inner ring of bearingHARMONIC DRIVE SYSTEMS·Filed 2005·Granted Jan 23, 2007·17 cites·3 claims
- 3087US5307885AAttitude and drilling-direction control deviceHARMONIC DRIVE SYSTEMS·Filed 1991·Granted May 3, 1994·41 cites·8 claims
- 3186US6968755B2Lightweight bearing and wave gear driveHARMONIC DRIVE SYSTEMS·Filed 2003·Granted Nov 29, 2005·18 cites·4 claims
- 3285US12092221B2Lubricant sealing structure, strain wave gearing, and actuatorHARMONIC DRIVE SYSTEMS·Filed 2020·Granted Sep 17, 2024·2 cites·10 claims
- 3385US8028603B2Method for setting gear tooth profile in flat wave gear device on side where gears have same number of teethHARMONIC DRIVE SYSTEMS·Filed 2008·Granted Oct 4, 2011·16 cites·6 claims
- 3485US7249536B2Wave gear deviceHARMONIC DRIVE SYSTEMS·Filed 2005·Granted Jul 31, 2007·12 cites·4 claims
- 3585US5782143AFlexible meshing type gear device with negative deflection passing tooth profileHARMONIC DRIVE SYSTEMS·Filed 1994·Granted Jul 21, 1998·38 cites·14 claims
- 3685US5715732AHarmonic flexible meshing gear deviceHARMONIC DRIVE SYSTEMS·Filed 1995·Granted Feb 10, 1998·40 cites·12 claims
- 3784US11143283B2Strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 2017·Granted Oct 12, 2021·4 cites·6 claims
- 3884US9435418B2Wave generator of strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 2013·Granted Sep 6, 2016·7 cites·4 claims
- 3984US6682220B2Lightweight bearing and wave gear driveHARMONIC DRIVE SYSTEMS·Filed 2002·Granted Jan 27, 2004·15 cites·8 claims
- 4083US10801585B2Flexible external gear and strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 2015·Granted Oct 13, 2020·3 cites·8 claims
- 4183US10718419B2Method for lubricating strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 2014·Granted Jul 21, 2020·5 cites·5 claims
- 4283US10655721B2Strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 2015·Granted May 19, 2020·3 cites·8 claims
- 4383US7735396B2Wave gear drive having negative deflection meshing tooth profileHARMONIC DRIVE SYSTEMS·Filed 2004·Granted Jun 15, 2010·23 cites·12 claims
- 4483US7612477B2Electromagnetic brake device for small-sized motorHARMONIC DRIVE SYSTEMS·Filed 2005·Granted Nov 3, 2009·8 cites·2 claims
- 4583US7375487B2Geared motorHARMONIC DRIVE SYSTEMS·Filed 2006·Granted May 20, 2008·16 cites·13 claims
- 4682US10253863B2Dual-type strain wave gearingHARMONIC DRIVE SYSTEMS·Filed 2015·Granted Apr 9, 2019·3 cites·11 claims
- 4782US6817267B2Actuator having a wave gear reduction driveHARMONIC DRIVE SYSTEMS·Filed 2002·Granted Nov 16, 2004·31 cites·10 claims
- 4882US6467375B1Flexible meshing type gear device having deflection meshing involute tooth profileHARMONIC DRIVE SYSTEMS·Filed 2000·Granted Oct 22, 2002·22 cites·5 claims
- 4982US5850765AFlat wave gear driveHARMONIC DRIVE SYSTEMS·Filed 1996·Granted Dec 22, 1998·37 cites·7 claims
- 5081USD937332SSpeed reducerHARMONIC DRIVE SYSTEMS·Filed 2020·Granted Nov 30, 2021·8 cites·1 claims
Showing the top 50 of 302 patent records by PatentIndex Score.
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