Inventor · disambiguated record
Pi-Fen Chen
Also filed as: CHEN PI-FEN
13 granted patents·4 pending applications·93 citations·filing 2001–2016
91Inventor score
Top patents by PatentIndex Score
17 records- 0190US9859737B2Method and apparatus for performing system power management in electronic device equipped with batteryMEDIATEK INC·Filed 2016·Granted Jan 2, 2018·7 cites·13 claims
- 0285US9142982B2Method and apparatus for performing charging port detection controlCHEN PI-FEN·Filed 2012·Granted Sep 22, 2015·15 cites·21 claims
- 0383US9327321B2Method and apparatus for performing system power managementCHEN PI-FEN·Filed 2012·Granted May 3, 2016·8 cites·15 claims
- 0481US9923390B2Method and apparatus for performing charging port detection controlMEDIATEK INC·Filed 2015·Granted Mar 20, 2018·4 cites·20 claims
- 0570US6611219B1Oversampling data recovery apparatus and methodMACRONIX INT CO LTD·Filed 2002·Granted Aug 26, 2003·27 cites·24 claims
- 0666US7816892B2Battery charger for preventing charging currents from overshooting during mode transition and method thereofMEDIATEK INC·Filed 2008·Granted Oct 19, 2010·6 cites·18 claims
- 0762US7663346B2Battery charger for preventing both overshoot charging current and overcharged battery voltage during charging mode transitionMEDIATEK INC·Filed 2008·Granted Feb 16, 2010·5 cites·5 claims
- 0856US6574576B2Equalizer with auto-calibration and self-testMACRONIX INT CO LTD·Filed 2001·Granted Jun 3, 2003·4 cites·11 claims
- 0953US6472861B2Peak detectorMACRONIX INT CO LTD·Filed 2001·Granted Oct 29, 2002·5 cites·3 claims
- 1051US7405539B2Battery charger for preventing charging currents from overshooting during mode transition and method thereofMEDIATEK INC·Filed 2004·Granted Jul 29, 2008·6 cites·6 claims
- 1149US7609094B2Input circuits and methods thereofMEDIATEK INC·Filed 2007·Granted Oct 27, 2009·1 cites·24 claims
- 1248US2015214770A1System and method supporting hybrid power/battery schemeMEDIATEK INC·Filed 2014·Application pending·0 cites
- 1346US7449865B2Battery charger for preventing both overshoot charging currents and overcharged battery voltage during mode transitions and method thereofMEDIATEK INC·Filed 2004·Granted Nov 11, 2008·4 cites·8 claims
- 1442US6642703B2Peak detector and detecting method thereofMACRONIX INT CO LTD·Filed 2002·Granted Nov 4, 2003·1 cites·18 claims
- 1539US2009261914A1Crystal oscillator circuitsMEDIATEK INC·Filed 2008·Application pending·0 cites
- 1636US2015214748A1Wireless power supply scheme capable of dynamically adjusting output power of wireless power transmitter according to voltage/current/power information of portable electronic device to be chargedMEDIATEK INC·Filed 2015·Application pending·0 cites
- 1732US2002125929A1Clock duty cycle control circuitFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →