Inventor · disambiguated record
Chi-Kuan Kao
Also filed as: KAO CHI-KUAN
74 granted patents·3 pending applications·920 citations·filing 1992–2021
99Inventor score
Top patents by PatentIndex Score
77 records- 0199US6371267B1Liquid cooled magnetorheological fluid clutch for automotive transmissionsGEN MOTORS CORP·Filed 2000·Granted Apr 16, 2002·102 cites·8 claims
- 0298US11235667B1Multi-speed electric vehicle power-on upshift controlGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Feb 1, 2022·7 cites·20 claims
- 0398US6318531B1Magnetorheological fluid clutchGEN MOTORS CORP·Filed 2000·Granted Nov 20, 2001·60 cites·6 claims
- 0496US8409053B2Transmission with selectable one-way clutch and dual-piston clutchSAMIE FARZAD·Filed 2010·Granted Apr 2, 2013·21 cites·11 claims
- 0596US6530858B1Family of multi-speed planetary power transmission mechanisms having three planetary gearsetsGEN MOTORS CORP·Filed 2001·Granted Mar 11, 2003·62 cites·5 claims
- 0695US8029403B2Multi-speed transmission with selectable one-way braking clutchGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Oct 4, 2011·32 cites·12 claims
- 0793US8454466B2Hybrid powertrain system using selectable one-way clutchesSAMIE FARZAD·Filed 2010·Granted Jun 4, 2013·18 cites·17 claims
- 0893US5282401AAdaptive electronic control of power-on upshifting in an automatic transmissionGEN MOTORS CORP·Filed 1992·Granted Feb 1, 1994·62 cites·8 claims
- 0992US6514170B1Family of multi-speed transmission mechanisms having three planetary gear sets and five torque-transmitting mechanismsGEN MOTORS CORP·Filed 2001·Granted Feb 4, 2003·39 cites·11 claims
- 1090US8494738B2Control of selectable one-way clutch in a transmissionLEE CHUNHAO J·Filed 2008·Granted Jul 23, 2013·16 cites·5 claims
- 1188US8172058B2Latching clutch assembly and method of operating the sameGROCHOWSKI EDWIN T·Filed 2009·Granted May 8, 2012·9 cites·5 claims
- 1288US6672988B1Multi-speed planetary transmissions with a stationary memberGEN MOTORS CORP·Filed 2002·Granted Jan 6, 2004·31 cites·16 claims
- 1387US10922906B2Monitoring and diagnosing vehicle system problems using machine learning classifiersGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Feb 16, 2021·5 cites·20 claims
- 1487US8457847B2Method for detecting powertrain torque outputLI DONGXU·Filed 2010·Granted Jun 4, 2013·14 cites·14 claims
- 1586US9482328B2Multi-mode transmission for vehicle powertrain systemGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Nov 1, 2016·4 cites·18 claims
- 1686US8494729B2Method to determine torqueLI DONGXU·Filed 2010·Granted Jul 23, 2013·11 cites·17 claims
- 1785US8845491B2Micro-electro-mechanical-system (MEMS) based hydraulic control system for automated manual transmissionsLI DONGXU·Filed 2011·Granted Sep 30, 2014·7 cites·17 claims
- 1884US10247292B2Vehicle starting clutch-damper assemblyGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Apr 2, 2019·4 cites·16 claims
- 1984US8844702B2Powertrain pressure control systemLEE CHUNHAO J·Filed 2011·Granted Sep 30, 2014·5 cites·17 claims
- 2084US6932735B2Six-speed planetary transmission mechanisms with two clutches and three brakesGEN MOTORS CORP·Filed 2004·Granted Aug 23, 2005·21 cites·7 claims
- 2184US6648791B2Family of multi-speed power transmission mechanisms having three planetary gear setsGEN MOTORS CORP·Filed 2001·Granted Nov 18, 2003·27 cites·6 claims
- 2281US8794411B2Powertrain pressure control systemLEE CHUNHAO J·Filed 2011·Granted Aug 5, 2014·4 cites·19 claims
- 2381US8620543B2System and method for estimating torque in a powertrainLI DONGXU·Filed 2012·Granted Dec 31, 2013·5 cites·20 claims
- 2481US6652409B2Family of multi-speed planetary transmission mechanisms having four clutches and two brakesGEN MOTORS CORP·Filed 2002·Granted Nov 25, 2003·21 cites·14 claims
- 2580US6705967B2Six-speed transmission with three planetary gear sets and five torque transmitting mechanismsGEN MOTORS CORP·Filed 2001·Granted Mar 16, 2004·21 cites·3 claims
- 2679US8463515B2Real time estimation algorithm for torque converter clutch feed forward pressure for ECCC controlHEBBALE KUMARASWAMY V·Filed 2010·Granted Jun 11, 2013·5 cites·14 claims
- 2779US8231492B2Torque transmitting deviceCHEN LI·Filed 2009·Granted Jul 31, 2012·6 cites·8 claims
- 2879US6746358B2Planetary transmissions with three interconnected gear sets and six selectable torque transmitting devicesGEN MOTORS CORP·Filed 2002·Granted Jun 8, 2004·19 cites·14 claims
- 2978US8844694B2Micro-electro-mechanical-systems based hydraulic control system for a dry dual clutch transmissionHEBBALE KUMARASWAMY V·Filed 2011·Granted Sep 30, 2014·5 cites·9 claims
- 3078US7349785B2Method of controlling clutch slip during gear shifts of an automatic transmissionGEN MOTORS CORP·Filed 2004·Granted Mar 25, 2008·17 cites·18 claims
- 3178US6716130B1Family of multi-speed transmissions with interconnected planetary gearsets and a plurality of input clutchesGEN MOTORS CORP·Filed 2002·Granted Apr 6, 2004·19 cites·3 claims
- 3278US6679803B1Family of multi-speed power transmission mechanisms having three interconnected planetary gearsetsGEN MOTORS CORP·Filed 2002·Granted Jan 20, 2004·18 cites·14 claims
- 3376US11242915B1Selectable one-way clutch in two speed drive unit of electrical vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Feb 8, 2022·1 cites·14 claims
- 3476US9482329B2Multi-mode transmission for vehicle powertrain systemGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Nov 1, 2016·2 cites·20 claims
- 3576US6709358B2Family of multi-speed transmission mechanisms having three planetary gearsets and five torque-transmitting mechanismsGEN MOTORS CORP·Filed 2001·Granted Mar 23, 2004·17 cites·10 claims
- 3675US8090512B2System and method for controlling a clutch fill eventCAO MING·Filed 2008·Granted Jan 3, 2012·6 cites·14 claims
- 3774US8100802B2Torque converter control method and apparatusLEE CHUNHAO J·Filed 2007·Granted Jan 24, 2012·6 cites·4 claims
- 3873US10473195B2Continuously-variable transmissionGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Nov 12, 2019·1 cites·20 claims
- 3973US6780138B2Family of multi-speed planetary transmission mechanisms having three planetary gearsets, three clutches, and two brakesGEN MOTORS CORP·Filed 2002·Granted Aug 24, 2004·14 cites·3 claims
- 4071US8935971B2Micro-electro-mechanical-systems based hydraulic control for a powertrainSAMIE FARZAD·Filed 2011·Granted Jan 20, 2015·3 cites·19 claims
- 4171US8887891B2Powertrain pressure and flow control system for dog clutchesLEE CHUNHAO J·Filed 2011·Granted Nov 18, 2014·2 cites·8 claims
- 4271US8794417B2Powertrain pressure and flow control system for a torque converter clutchLEE CHUNHAO J·Filed 2011·Granted Aug 5, 2014·2 cites·5 claims
- 4371US8695774B2Powertrain pressure control systemLEE CHUNHAO J·Filed 2011·Granted Apr 15, 2014·2 cites·18 claims
- 4471US6736752B2Family of multi-speed transmissions with three planetary gearsetsGEN MOTORS CORP·Filed 2002·Granted May 18, 2004·13 cites·6 claims
- 4571US6648789B1Multi-speed transmissions with three interconnected planetary gear setsGEN MOTORS CORP·Filed 2002·Granted Nov 18, 2003·13 cites·15 claims
- 4668US7749123B2Cycloid limited slip differential and methodGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jul 6, 2010·5 cites·11 claims
- 4768US6620075B2Multi-speed transmission mechanisms with three planetary gearsets and input clutchesGEN MOTORS CORP·Filed 2002·Granted Sep 16, 2003·11 cites·5 claims
- 4867US7222011B2Engine and driveline torque transfer device controlGEN MOTORS CORP·Filed 2004·Granted May 22, 2007·18 cites·17 claims
- 4967US6716131B1Family of multi-speed power transmissions with three gearsetsGEN MOTORS CORP·Filed 2002·Granted Apr 6, 2004·11 cites·6 claims
- 5067US6679802B2Family of multi-speed planetary transmission mechanisms having fixed interconnections and six torque-transmitting mechanismsGEN MOTORS CORP·Filed 2002·Granted Jan 20, 2004·11 cites·12 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →