Inventor · disambiguated record
Ko-Jen Wu
Also filed as: WU KO-JEN
35 granted patents·7 pending applications·496 citations·filing 1990–2016
97Inventor score
Files withGM GLOBAL TECH OPERATIONS INC14GEN MOTORS CORP10WU KO-JEN9GM GLOBAL TECH OPERATIONS LLC7STANEK JENNIFER M1
Top patents by PatentIndex Score
42 records- 0196US8266906B2Asymmetric split-inlet turbine housingWU KO-JEN·Filed 2009·Granted Sep 18, 2012·45 cites·20 claims
- 0295US6494178B1Combustion chamber including piston for a spark-ignition, direct-injection combustion systemGEN MOTORS CORP·Filed 2001·Granted Dec 17, 2002·58 cites·5 claims
- 0393US7249584B2Impulse charging control to extend displacement on demand rangeGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jul 31, 2007·33 cites·15 claims
- 0489US8225608B2Hybrid powertrain and method for controlling a hybrid powertrainWU KO-JEN·Filed 2008·Granted Jul 24, 2012·27 cites·17 claims
- 0587US6715289B2Turbo-on-demand engine with cylinder deactivationGEN MOTORS CORP·Filed 2002·Granted Apr 6, 2004·71 cites·15 claims
- 0686US9051871B1Variable twin-scroll turbine for turbocharged internal combustion engine featuring cylinder deactivationGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted Jun 9, 2015·17 cites·10 claims
- 0786US8602007B2Integrated exhaust gas recirculation and charge cooling systemWU KO-JEN·Filed 2010·Granted Dec 10, 2013·8 cites·16 claims
- 0883US7249577B1Connecting rod with oil squirterGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jul 31, 2007·12 cites·15 claims
- 0983US5495830AVariable valve timingGEN MOTORS CORP·Filed 1995·Granted Mar 5, 1996·68 cites·7 claims
- 1081US6786190B2Compact turbocharged cylinder deactivation engineGEN MOTORS CORP·Filed 2002·Granted Sep 7, 2004·26 cites·6 claims
- 1180US9121338B1Two-stage turbocharger system for internal combustion engines featuring cylinder deactivationGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted Sep 1, 2015·6 cites·5 claims
- 1276US9453435B2Control of internal combustion engine with two-stage turbochargingGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Sep 27, 2016·3 cites·20 claims
- 1372US9441534B2Cooled two-stage turbocharging systemGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Sep 13, 2016·3 cites·18 claims
- 1472US9217361B2Turbocharging systemGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Dec 22, 2015·3 cites·16 claims
- 1572US4986225AIntake reservoir system for an engine having a check valveGEN MOTORS CORP·Filed 1990·Granted Jan 22, 1991·27 cites·7 claims
- 1671US7765993B2Compressor inlet ductGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 3, 2010·4 cites·18 claims
- 1771US4991547AIntake port pressure control system for engine induction systemGEN MOTORS CORP·Filed 1990·Granted Feb 12, 1991·28 cites·6 claims
- 1870US8806868B2Secondary air injection system and methodWU KO-JEN·Filed 2011·Granted Aug 19, 2014·4 cites·10 claims
- 1969US9133793B2Boosting devices with integral features for recirculating exhaust gasWU KO-JEN·Filed 2010·Granted Sep 15, 2015·2 cites·17 claims
- 2065US10082111B2Turbocharging system with electric motor(s)GM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Sep 25, 2018·1 cites·13 claims
- 2165US7467625B1Flexible fuel impulse charged engine assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Dec 23, 2008·6 cites·15 claims
- 2264US8276549B2Flexible fuel variable boost supercharged engineWU KO-JEN·Filed 2008·Granted Oct 2, 2012·6 cites·23 claims
- 2363US8443789B2Exhaust gas recirculation system for an internal combustion engineWU KO-JEN·Filed 2010·Granted May 21, 2013·1 cites·16 claims
- 2461US9303555B2Exhaust manifoldGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Apr 5, 2016·1 cites·24 claims
- 2560US9945329B2Engine with cylinder deactivation and multi-stage turbocharging systemGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Apr 17, 2018·1 cites·16 claims
- 2655US9046032B2Stratified charge engine with turbochargerGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jun 2, 2015·1 cites·20 claims
- 2754US10151225B2Integrated oil separator assembly for crankcase ventilationGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Dec 11, 2018·0 cites·8 claims
- 2854US8146564B2Engine intake air flow control assemblyZHANG JIAN JUN·Filed 2010·Granted Apr 3, 2012·2 cites·14 claims
- 2952US5372108AEngine charge control system and methodGEN MOTORS CORP·Filed 1993·Granted Dec 13, 1994·13 cites·24 claims
- 3051US5103867AActive reed valveGEN MOTORS CORP·Filed 1991·Granted Apr 14, 1992·14 cites·8 claims
- 3149US2009048745A1Flexible fuel variable boost hybrid powertrainGM GLOBAL TECH OPERATIONS INC·Filed 2008·Application pending·0 cites
- 3246US9217396B2Boosting devices with integral features for recirculating exhaust gasWU KO-JEN·Filed 2010·Granted Dec 22, 2015·0 cites·11 claims
- 3344US2015068503A1Compressor cover with integrated egr valveGM GLOBAL TECH OPERATIONS INC·Filed 2013·Application pending·0 cites
- 3442US7513235B2Method and apparatus for operating impulse charger for transient torque managementGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Apr 7, 2009·0 cites·20 claims
- 3542US2012067332A1Integrated exhaust gas recirculation and charge cooling systemWU KO-JEN·Filed 2010·Application pending·0 cites
- 3641US2008141968A1Intake manifold assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2006·Application pending·0 cites
- 3740US10018128B2Variable-speed supercharger for highly diluted internal combustion enginesGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Jul 10, 2018·0 cites·6 claims
- 3839US6651611B2Combustion chamber for swirl flow two valve spark ignition direct injection engineGEN MOTORS CORP·Filed 2002·Granted Nov 25, 2003·5 cites·13 claims
- 3939US2013014497A1Housing for an internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2011·Application pending·0 cites
- 4039US2017030257A1Enhancing cylinder deactivation by electrically driven compressorGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Application pending·0 cites
- 4132US2006153996A1Method and system for laser claddingSTANEK JENNIFER M·Filed 2005·Application pending·0 cites
- 4230US5092286AIntake venting system for reed valvesGEN MOTORS CORP·Filed 1991·Granted Mar 3, 1992·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →