Inventor · disambiguated record
Man-Feng Chang
Also filed as: CHANG MAN-FENG
29 granted patents·2 pending applications·880 citations·filing 1988–2010
97Inventor score
Files withGM GLOBAL TECH OPERATIONS INC16GEN MOTORS CORP5KANG JUN-MO4KRUPADANAM ASHISH S2CHANG CHEN-FANG1
Top patents by PatentIndex Score
31 records- 0198US8392091B2Using GPS/map/traffic info to control performance of aftertreatment (AT) devicesHEBBALE KUMARASWAMY V·Filed 2008·Granted Mar 5, 2013·65 cites·33 claims
- 0297US7370616B2Method for transition between controlled auto-ignition and spark ignition modes in direct fuel injection enginesGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 13, 2008·53 cites·13 claims
- 0396US7650211B2Method and apparatus to monitor ambient sensing devicesGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 19, 2010·55 cites·7 claims
- 0496US7360615B2Predictive energy management system for hybrid electric vehiclesGEN MOTORS CORP·Filed 2004·Granted Apr 22, 2008·153 cites·18 claims
- 0596US4932379AMethod for detecting engine misfire and for fuel controlGEN MOTORS CORP·Filed 1989·Granted Jun 12, 1990·98 cites·7 claims
- 0694US8171720B2System and methods to detect non-urea reductant filled in a urea tankWANG YUE-YUN·Filed 2008·Granted May 8, 2012·25 cites·22 claims
- 0794US7275514B2Method of HCCI and SI combustion control for a direct injection internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Oct 2, 2007·32 cites·21 claims
- 0892US7370633B2Load transient control methods for direct-injection engines with controlled auto-ignition combustionGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 13, 2008·29 cites·20 claims
- 0992US7367313B2Speed transient control methods for direct-injection engines with controlled auto-ignition combustionGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 6, 2008·22 cites·7 claims
- 1091US4893244APredictive spark timing methodGEN MOTORS CORP·Filed 1988·Granted Jan 9, 1990·38 cites·7 claims
- 1190US8214122B2Energy economy mode using preview informationKRUPADANAM ASHISH S·Filed 2008·Granted Jul 3, 2012·35 cites·15 claims
- 1289US7540270B2Method and apparatus for controlling combustion mode transitions in an internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jun 2, 2009·24 cites·19 claims
- 1388US8095290B2Method to control vehicular powertrain by monitoring map preview informationSMYTH JOHN GARY·Filed 2008·Granted Jan 10, 2012·43 cites·19 claims
- 1487US7295902B2Torque management algorithm for hybrid electric vehiclesGEN MOTORS CORP·Filed 2004·Granted Nov 13, 2007·49 cites·33 claims
- 1586US7367308B2Method for load transient control between lean and stoichiometric combustion modes of direct-injection engines with controlled auto-ignition combustionGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 6, 2008·19 cites·6 claims
- 1685US7689344B2Method and apparatus for controlling transitions in an engine having multi-step valve liftGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Mar 30, 2010·17 cites·23 claims
- 1784US8630760B2Method for managing transitions in internal combustion engines with a hybrid drive powertrainKANG JUN-MO·Filed 2010·Granted Jan 14, 2014·6 cites·14 claims
- 1884US8335634B2Transient combustion noise control in a hybrid powertrain including an HCCI engineKANG JUN-MO·Filed 2010·Granted Dec 18, 2012·9 cites·12 claims
- 1983US8290637B2Vehicle control using stochastic informationKRUPADANAM ASHISH S·Filed 2009·Granted Oct 16, 2012·21 cites·9 claims
- 2080US7848872B2Method and apparatus for monitoring recirculated exhaust gas in an internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Dec 7, 2010·14 cites·14 claims
- 2177US7565236B2Airflow estimation method and apparatus for internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jul 21, 2009·10 cites·19 claims
- 2276US8224559B2Method and apparatus to monitor a mass airflow metering device in an internal combustion engineCHANG CHEN-FANG·Filed 2010·Granted Jul 17, 2012·7 cites·11 claims
- 2375US7831369B2Method and apparatus for vehicle and engine operationGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Nov 9, 2010·11 cites·18 claims
- 2475US7480558B2Method and apparatus for controlling a homogeneous charge compression ignition engineGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 20, 2009·8 cites·19 claims
- 2573US7409285B2Homogeneous charge compression ignition engine operationGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 5, 2008·9 cites·12 claims
- 2671US8276555B2Method for managing transitions in internal combustion engines with a hybrid drive powertrainKANG JUN-MO·Filed 2010·Granted Oct 2, 2012·4 cites·15 claims
- 2770US8229648B2Method and apparatus for controlling fuel injection in a homogeneous charge compression ignition engineKANG JUN-MO·Filed 2008·Granted Jul 24, 2012·6 cites·20 claims
- 2849US5726892AEngine speed prediction method for engine controlGEN MOTORS CORP·Filed 1991·Granted Mar 10, 1998·18 cites·6 claims
- 2945US2009109022A1Method and apparatus for providing in-vehicle fuel related informationGM GLOBAL TECH OPERATIONS INC·Filed 2007·Application pending·0 cites
- 3042US7798126B2Method for controlling cylinder charge in a homogeneous charge compression ignition engineGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Sep 21, 2010·0 cites·19 claims
- 3139US2009048757A1Control strategy for transitioning among combustion modes in an internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →