Inventor
KAO CHI-KUAN
US74 patents
⚠️ This page may combine multiple inventors who share the name “KAO CHI-KUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN MOTORS CORP
28 patentsUS6371267B1Apr 16, 2002
Liquid cooled magnetorheological fluid clutch for automotive transmissions
GEN MOTORS CORP102 citations97
US6530858B1Mar 11, 2003
Family of multi-speed planetary power transmission mechanisms having three planetary gearsets
GEN MOTORS CORP62 citations96
US6318531B1Nov 20, 2001
Magnetorheological fluid clutch
GEN MOTORS CORP60 citations96
US5282401AFeb 1, 1994
Adaptive electronic control of power-on upshifting in an automatic transmission
GEN MOTORS CORP62 citations96
US6672988B1Jan 6, 2004
Multi-speed planetary transmissions with a stationary member
GEN MOTORS CORP31 citations93
US6652409B2Nov 25, 2003
Family of multi-speed planetary transmission mechanisms having four clutches and two brakes
GEN MOTORS CORP21 citations93
US6648791B2Nov 18, 2003
Family of multi-speed power transmission mechanisms having three planetary gear sets
GEN MOTORS CORP27 citations93
US6514170B1Feb 4, 2003
Family of multi-speed transmission mechanisms having three planetary gear sets and five torque-transmitting mechanisms
GEN MOTORS CORP39 citations93
US7349785B2Mar 25, 2008
Method of controlling clutch slip during gear shifts of an automatic transmission
GEN MOTORS CORP17 citations84
US7222011B2May 22, 2007
Engine and driveline torque transfer device control
GEN MOTORS CORP18 citations84
US6932735B2Aug 23, 2005
Six-speed planetary transmission mechanisms with two clutches and three brakes
GEN MOTORS CORP21 citations84
US6780138B2Aug 24, 2004
Family of multi-speed planetary transmission mechanisms having three planetary gearsets, three clutches, and two brakes
GEN MOTORS CORP14 citations84
US6746358B2Jun 8, 2004
Planetary transmissions with three interconnected gear sets and six selectable torque transmitting devices
GEN MOTORS CORP19 citations84
US6736752B2May 18, 2004
Family of multi-speed transmissions with three planetary gearsets
GEN MOTORS CORP13 citations84
US6716130B1Apr 6, 2004
Family of multi-speed transmissions with interconnected planetary gearsets and a plurality of input clutches
GEN MOTORS CORP19 citations84
US6709358B2Mar 23, 2004
Family of multi-speed transmission mechanisms having three planetary gearsets and five torque-transmitting mechanisms
GEN MOTORS CORP17 citations84
US6705967B2Mar 16, 2004
Six-speed transmission with three planetary gear sets and five torque transmitting mechanisms
GEN MOTORS CORP21 citations84
US6679803B1Jan 20, 2004
Family of multi-speed power transmission mechanisms having three interconnected planetary gearsets
GEN MOTORS CORP18 citations84
US6648789B1Nov 18, 2003
Multi-speed transmissions with three interconnected planetary gear sets
GEN MOTORS CORP13 citations84
US6780141B1Aug 24, 2004
Method and system for reducing tip-out oscillation effects in an automatic transmission
GEN MOTORS CORP7 citations74
US6773371B2Aug 10, 2004
Family of multi-speed transmissions having interconnected planetary gearsets and input clutches
GEN MOTORS CORP9 citations74
US6743147B2Jun 1, 2004
Family of multi-speed planetary transmissions having a clutched input and one stationary member
GEN MOTORS CORP10 citations74
US6716131B1Apr 6, 2004
Family of multi-speed power transmissions with three gearsets
GEN MOTORS CORP11 citations74
US6709359B2Mar 23, 2004
Family of multi-speed transmission mechanisms having three planetary gear sets and five torque-transmitting mechanisms
GEN MOTORS CORP10 citations74
US6679802B2Jan 20, 2004
Family of multi-speed planetary transmission mechanisms having fixed interconnections and six torque-transmitting mechanisms
GEN MOTORS CORP11 citations74
US6648793B1Nov 18, 2003
Multi-speed planetary transmissions with fixed input and stationary members
GEN MOTORS CORP7 citations74
US6620075B2Sep 16, 2003
Multi-speed transmission mechanisms with three planetary gearsets and input clutches
GEN MOTORS CORP11 citations74
US6589129B2Jul 8, 2003
Powertrain having a multi-speed transmission with three planetary gear sets
GEN MOTORS CORP11 citations74
GM GLOBAL TECH OPERATIONS LLC
6 patentsUS11235667B1Feb 1, 2022
Multi-speed electric vehicle power-on upshift control
GM GLOBAL TECH OPERATIONS LLC7 citations86
US9482328B2Nov 1, 2016
Multi-mode transmission for vehicle powertrain system
GM GLOBAL TECH OPERATIONS LLC4 citations73
US10922906B2Feb 16, 2021
Monitoring and diagnosing vehicle system problems using machine learning classifiers
GM GLOBAL TECH OPERATIONS LLC5 citations72
US10247292B2Apr 2, 2019
Vehicle starting clutch-damper assembly
GM GLOBAL TECH OPERATIONS LLC4 citations69
US11242915B1Feb 8, 2022
Selectable one-way clutch in two speed drive unit of electrical vehicle
GM GLOBAL TECH OPERATIONS LLC1 citations63
US10473195B2Nov 12, 2019
Continuously-variable transmission
GM GLOBAL TECH OPERATIONS LLC1 citations63
LI DONGXU
4 patentsUS8845491B2Sep 30, 2014
Micro-electro-mechanical-system (MEMS) based hydraulic control system for automated manual transmissions
LI DONGXU7 citations84
US8494729B2Jul 23, 2013
Method to determine torque
LI DONGXU11 citations84
US8457847B2Jun 4, 2013
Method for detecting powertrain torque output
LI DONGXU14 citations81
US8620543B2Dec 31, 2013
System and method for estimating torque in a powertrain
LI DONGXU5 citations73
LEE CHUNHAO J
4 patentsUS8494738B2Jul 23, 2013
Control of selectable one-way clutch in a transmission
LEE CHUNHAO J16 citations84
US8844702B2Sep 30, 2014
Powertrain pressure control system
LEE CHUNHAO J5 citations73
US8794411B2Aug 5, 2014
Powertrain pressure control system
LEE CHUNHAO J4 citations73
US8100802B2Jan 24, 2012
Torque converter control method and apparatus
LEE CHUNHAO J6 citations73
SAMIE FARZAD
2 patentsHEBBALE KUMARASWAMY V
2 patentsUS8844694B2Sep 30, 2014
Micro-electro-mechanical-systems based hydraulic control system for a dry dual clutch transmission
HEBBALE KUMARASWAMY V5 citations73
US8463515B2Jun 11, 2013
Real time estimation algorithm for torque converter clutch feed forward pressure for ECCC control
HEBBALE KUMARASWAMY V5 citations72
GM GLOBAL TECH OPERATIONS INC
1 patentGROCHOWSKI EDWIN T
1 patentCHEN LI
1 patentCAO MING
1 patentShowing the top 50 of 74 patents by PatentIndex Score.