Inventor · disambiguated record
Shikui Kevin Chen
Also filed as: CHEN SHIKUI · CHEN SHIKUI K · CHEN SHIKUI KEVIN
55 granted patents·1 pending application·947 citations·filing 1994–2023
98Inventor score
Files withTULA TECHNOLOGY INC42CATERPILLAR INC9FORD GLOBAL TECH LLC2CHEN WILLA ANGEL1SPRAYING SYSTEMS CO1
Top patents by PatentIndex Score
56 records- 0199US11143575B2Diagnostic system and method for detecting internal combustion engine faults using exhaust pressure readingsTULA TECHNOLOGY INC·Filed 2020·Granted Oct 12, 2021·7 cites·37 claims
- 0299US10494971B2Lean burn internal combustion engine exhaust gas temperature controlTULA TECHNOLOGY INC·Filed 2019·Granted Dec 3, 2019·20 cites·24 claims
- 0399US10247072B2Lean burn internal combustion engine exhaust gas temperature controlTULA TECHNOLOGY INC·Filed 2016·Granted Apr 2, 2019·21 cites·33 claims
- 0499US9890732B2Valve fault detectionTULA TECHNOLOGY INC·Filed 2016·Granted Feb 13, 2018·29 cites·15 claims
- 0599US9212610B2Engine diagnostics with skip fire controlTULA TECHNOLOGY INC·Filed 2014·Granted Dec 15, 2015·39 cites·28 claims
- 0698US9790867B2Deceleration cylinder cut-offTULA TECHNOLOGY INC·Filed 2016·Granted Oct 17, 2017·29 cites·20 claims
- 0798US9784644B2Engine error detection systemTULA TECHNOLOGY INC·Filed 2015·Granted Oct 10, 2017·31 cites·29 claims
- 0898US9581098B2Engine diagnostics with skip fire controlTULA TECHNOLOGY INC·Filed 2015·Granted Feb 28, 2017·19 cites·24 claims
- 0998US9175613B2System and method for safe valve activation in a dynamic skip firing engineTULA TECHNOLOGY INC·Filed 2014·Granted Nov 3, 2015·62 cites·17 claims
- 1098US5738075AHydraulically-actuated fuel injector with direct control needle valveCATERPILLAR INC·Filed 1997·Granted Apr 14, 1998·103 cites·20 claims
- 1198US5687693AHydraulically-actuated fuel injector with direct control needle valveCATERPILLAR INC·Filed 1996·Granted Nov 18, 1997·107 cites·20 claims
- 1297US9891137B2Induction diagnostics for skip fire enginesTULA TECHNOLOGY INC·Filed 2017·Granted Feb 13, 2018·13 cites·32 claims
- 1397US9835522B2Induction diagnostics for skip fire engineTULA TECHNOLOGY INC·Filed 2015·Granted Dec 5, 2017·23 cites·24 claims
- 1497US9399963B2Misfire detection systemTULA TECHNOLOGY INC·Filed 2014·Granted Jul 26, 2016·40 cites·25 claims
- 1596US9995652B1Induction diagnostics for skip fire enginesTULA TECHNOLOGY INC·Filed 2018·Granted Jun 12, 2018·10 cites·23 claims
- 1696US9562470B2Valve fault detectionTULA TECHNOLOGY INC·Filed 2015·Granted Feb 7, 2017·50 cites·22 claims
- 1796US5682858AHydraulically-actuated fuel injector with pressure spike relief valveCATERPILLAR INC·Filed 1996·Granted Nov 4, 1997·89 cites·20 claims
- 1895US11125175B2Machine learning for misfire detection in a dynamic firing level modulation controlled engine of a vehicleTULA TECHNOLOGY INC·Filed 2020·Granted Sep 21, 2021·8 cites·22 claims
- 1995US10088388B2Engine error detection systemTULA TECHNOLOGY INC·Filed 2017·Granted Oct 2, 2018·8 cites·26 claims
- 2092US9650923B2System and method for safe valve activation in a dynamic skip firing engineTULA TECHNOLOGY INC·Filed 2015·Granted May 16, 2017·6 cites·23 claims
- 2192US5826562APiston and barrell assembly with stepped top and hydraulically-actuated fuel injector utilizing sameCATERPILLAR INC·Filed 1996·Granted Oct 27, 1998·64 cites·20 claims
- 2291US11131259B1Optimizing combustion recipes to improve engine performance and emissions for variable displacement enginesTULA TECHNOLOGY INC·Filed 2020·Granted Sep 28, 2021·5 cites·33 claims
- 2390US11326534B2Machine learning for misfire detection in a dynamic firing level modulation controlled engine of a vehicleTULA TECHNOLOGY INC·Filed 2021·Granted May 10, 2022·2 cites·10 claims
- 2489US11060430B2Lean burn internal combustion engine exhaust gas temperature controlTULA TECHNOLOGY INC·Filed 2019·Granted Jul 13, 2021·2 cites·24 claims
- 2589US10816438B2Machine learning for misfire detection in a dynamic firing level modulation controlled engine of a vehicleTULA TECHNOLOGY INC·Filed 2018·Granted Oct 27, 2020·10 cites·51 claims
- 2689US5878720AHydraulically actuated fuel injector with proportional controlCATERPILLAR INC·Filed 1997·Granted Mar 9, 1999·51 cites·20 claims
- 2786US11300026B2Separately determining firing density and pumping density during firing density transitions for a lean-burn internal combustion engineTULA TECHNOLOGY INC·Filed 2020·Granted Apr 12, 2022·1 cites·24 claims
- 2884US10823029B2Determining firing density of a skip fire controlled lean-burn engine using air-fuel ratio and exhaust temperaturesTULA TECHNOLOGY INC·Filed 2019·Granted Nov 3, 2020·3 cites·41 claims
- 2982US6082332AHydraulically-actuated fuel injector with direct control needle valveCATERPILLAR INC·Filed 1998·Granted Jul 4, 2000·42 cites·22 claims
- 3079US11326532B1Optimizing combustion recipes to improve engine performance and emissions for variable displacement enginesTULA TECHNOLOGY INC·Filed 2021·Granted May 10, 2022·1 cites·37 claims
- 3178US11680505B2Separately determining firing density and pumping density during firing density transitions for a lean-burn internal combustion engineTULA TECHNOLOGY INC·Filed 2022·Granted Jun 20, 2023·0 cites·20 claims
- 3278US11434839B2Use of machine learning for detecting cylinder intake and/or exhaust valve faults during operation of an internal combustion engineTULA TECHNOLOGY INC·Filed 2020·Granted Sep 6, 2022·1 cites·20 claims
- 3378US11415483B2Diagnostic system and method for detecting internal combustion engine faults using exhaust pressure readingsTULA TECHNOLOGY INC·Filed 2021·Granted Aug 16, 2022·0 cites·37 claims
- 3477US11635350B2Diagnostic system and method for detecting internal combustion engine faults using exhaust pressure readingsTULA TECHNOLOGY INC·Filed 2022·Granted Apr 25, 2023·0 cites·30 claims
- 3576US11959432B2Exhaust valve failure diagnostics and managementTULA TECHNOLOGY INC·Filed 2023·Granted Apr 16, 2024·0 cites·9 claims
- 3674US11560818B2Lean burn internal combustion engine exhaust gas controlTULA TECHNOLOGY INC·Filed 2021·Granted Jan 24, 2023·0 cites·15 claims
- 3774US11492987B2Cylinder charge trapping strategies based on predictive number of skips and staggered implementation of valvetrain dependent operational strategies for internal combustion enginesTULA TECHNOLOGY INC·Filed 2022·Granted Nov 8, 2022·0 cites·19 claims
- 3874US11333053B2Lean burn internal combustion engine exhaust gas temperature controlTULA TECHNOLOGY INC·Filed 2021·Granted May 17, 2022·0 cites·24 claims
- 3972US6425375B1Piston and barrel assembly with stepped top and hydraulically-actuated fuel injector utilizing sameCATERPILLAR INC·Filed 2000·Granted Jul 30, 2002·15 cites·12 claims
- 4071US11674423B2Lean burn internal combustion engine exhaust gas controlTULA TECHNOLOGY INC·Filed 2021·Granted Jun 13, 2023·0 cites·17 claims
- 4171US11624341B2Exhaust gas recirculation control in an internal combustion engineTULA TECHNOLOGY INC·Filed 2022·Granted Apr 11, 2023·0 cites·20 claims
- 4270US11624335B2Exhaust valve failure diagnostics and managementTULA TECHNOLOGY INC·Filed 2022·Granted Apr 11, 2023·0 cites·27 claims
- 4370US11352966B2Deceleration cylinder cut-offTULA TECHNOLOGY INC·Filed 2020·Granted Jun 7, 2022·0 cites·24 claims
- 4470US11352967B2Cylinder charge trapping strategies based on predictive number of skips and staggered implementation of valvetrain dependent operational strategies for internal combustion enginesTULA TECHNOLOGY INC·Filed 2021·Granted Jun 7, 2022·0 cites·37 claims
- 4569US11619187B2Optimizing combustion recipes to improve engine performance and emissions for variable displacement enginesTULA TECHNOLOGY INC·Filed 2022·Granted Apr 4, 2023·0 cites·46 claims
- 4668US11441519B2Exhaust gas recirculation control in a dynamic skip fire engineTULA TECHNOLOGY INC·Filed 2020·Granted Sep 13, 2022·0 cites·19 claims
- 4768US9441524B2Methods and systems for an exhaust gas treatment systemFORD GLOBAL TECH LLC·Filed 2015·Granted Sep 13, 2016·1 cites·11 claims
- 4867US12467274B2Systems and methods for forming multiple 3D structures from a circularly-packed network of structural elementsTOYOTA ENG & MFG NORTH AMERICA·Filed 2023·Granted Nov 11, 2025·0 cites·20 claims
- 4966US10518166B1Board game—matchCHEN WILLA ANGEL·Filed 2018·Granted Dec 31, 2019·2 cites·11 claims
- 5064US11053828B2Separately determining firing density and pumping density during firing density transitions for a lean-burn internal combustion engineTULA TECHNOLOGY INC·Filed 2019·Granted Jul 6, 2021·0 cites·40 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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