Inventor · disambiguated record
Junming Zhang
Also filed as: ZHANG JUNMING
56 granted patents·20 pending applications·687 citations·filing 1995–2025
98Inventor score
Files withCHENGDU MONOLITHIC POWER SYS8JOULWATT TECH CO LTD7MONOLITHIC POWER SYSTEMS INC7FRANCOTYP-POSTALIA GMBH6HU JIN5
Top patents by PatentIndex Score
76 records- 0197US8581518B2Triac dimmer compatible switching mode power supply and method thereofKUANG NAIXING·Filed 2011·Granted Nov 12, 2013·75 cites·19 claims
- 0296US10505442B2Synchronous rectification control circuit, method and flyback switch circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2017·Granted Dec 10, 2019·16 cites·10 claims
- 0395US10153684B2Bleeder circuitJOULWATT TECH HANGZHOU CO LTD·Filed 2016·Granted Dec 11, 2018·37 cites·9 claims
- 0494US5850240AArrangement for an ink-jet printer head composed of individual ink printer modulesFRANCOTYP POSTALIA AG·Filed 1995·Granted Dec 15, 1998·101 cites·28 claims
- 0593US9331583B2Switch mode power supply, control circuit and associated control methodCHENGDU MONOLITHIC POWER SYS·Filed 2013·Granted May 3, 2016·16 cites·19 claims
- 0692US9479046B2Multi-mode PFC control and control method thereofCHENGDU MONOLITHIC POWER SYS·Filed 2014·Granted Oct 25, 2016·13 cites·20 claims
- 0792US9093909B2Switching mode power supply and the method thereofCHENGDU MONOLITHIC POWER SYS·Filed 2013·Granted Jul 28, 2015·14 cites·11 claims
- 0892US8766605B2Bridgeless PFC converter and the method thereofREN YUANCHENG·Filed 2011·Granted Jul 1, 2014·15 cites·16 claims
- 0989US9035566B2Light emitting diode driver systems and associated methods of controlDU LEI·Filed 2011·Granted May 19, 2015·12 cites·13 claims
- 1087US9407151B2Flyback converter with current controlled low power modeCHENGDU MONOLITHIC POWER SYS·Filed 2014·Granted Aug 2, 2016·8 cites·15 claims
- 1187US8274801B2Switching mode power supply with burst mode and associated methods of controlSHI YANG·Filed 2010·Granted Sep 25, 2012·10 cites·30 claims
- 1287US5668583AInk printer head composed of individual ink printer modulesFRANCOTYP POSTALIA GMBH·Filed 1995·Granted Sep 16, 1997·59 cites·9 claims
- 1386US5883651AArrangement for plate-shaped piezoactuators and method for the manufacture thereofFRANCOTYP POSTALIA GMBH·Filed 1997·Granted Mar 16, 1999·47 cites·45 claims
- 1485US10135330B2Control circuit and control method for a power converterSILERGY SEMICONDUCTOR TECHNOLOGY HANGZHOU LTD·Filed 2017·Granted Nov 20, 2018·4 cites·20 claims
- 1585US9438228B2High efficiency gate drive circuit for power transistorsUNIV MICHIGAN STATE·Filed 2013·Granted Sep 6, 2016·7 cites·42 claims
- 1684US9595885B2Isolated switching mode power supply and the method thereofCHENGDU MONOLITHIC POWER SYS·Filed 2013·Granted Mar 14, 2017·7 cites·9 claims
- 1784US8952632B2Driver systems for driving light emitting diodes and associated driving methodsDU LEI·Filed 2011·Granted Feb 10, 2015·7 cites·10 claims
- 1883US8907592B2Power systems for driving light emitting diodes and associated methods of controlHU JIN·Filed 2011·Granted Dec 9, 2014·7 cites·12 claims
- 1983US8576588B2Switching mode power supply with primary side controlKUANG NAIXING·Filed 2011·Granted Nov 5, 2013·6 cites·20 claims
- 2082US8238123B2Frequency limitation method with time hysteresis used in quasi-resonant controlZHANG JUNMING·Filed 2010·Granted Aug 7, 2012·10 cites·18 claims
- 2182US8115402B2Method and apparatus for driving multiple parallel discharge lampsKUANG NAIXING·Filed 2009·Granted Feb 14, 2012·9 cites·9 claims
- 2281US8400790B2Latch-off of real time synchronous rectification for light load controlZHANG JUNMING·Filed 2010·Granted Mar 19, 2013·7 cites·23 claims
- 2381US6367911B1Ink printer head composed of individual ink printer modules, with an adapter plate for achieving high printing densityFRANCOTYP POSTALIA GMBH·Filed 1995·Granted Apr 9, 2002·47 cites·14 claims
- 2480US8102680B2Smart driving method for synchronous rectifier and its apparatus thereofREN YUANCHENG·Filed 2009·Granted Jan 24, 2012·16 cites·25 claims
- 2579US9899909B2Control device and method of totem-pole bridgeless PFC soft switchZTE CORP·Filed 2014·Granted Feb 20, 2018·3 cites·10 claims
- 2677US9577514B2Peak sample circuit for AC voltage and method thereofCHENGDU MONOLITHIC POWER SYS·Filed 2014·Granted Feb 21, 2017·4 cites·17 claims
- 2775US9065348B2Isolated switching mode power supply and the method thereofCHENGDU MONOLITHIC POWER SYS·Filed 2013·Granted Jun 23, 2015·4 cites·10 claims
- 2874US8971061B2Off time control method for switching regulatorLI EN·Filed 2010·Granted Mar 3, 2015·5 cites·8 claims
- 2974US8270185B2Switching mode power supply with a spectrum shaping circuitHU JIN·Filed 2010·Granted Sep 18, 2012·4 cites·9 claims
- 3074US2024120849A1Protection Circuit of Flyback Converter and Control MethodJOULWATT TECH CO LTD·Filed 2023·Application pending·0 cites
- 3174US2024120831A1Protection Circuit of Flyback Converter and Control MethodJOULWATT TECH CO LTD·Filed 2023·Application pending·0 cites
- 3273US7825605B2DA/AC convert for driving cold cathode fluorescent lampMONOLITHIC POWER SYSTEMS INC·Filed 2006·Granted Nov 2, 2010·11 cites·30 claims
- 3373US7728666B2Close-loop class-D audio amplifier and control method thereofMONOLITHIC POWER SYSTEMS INC·Filed 2008·Granted Jun 1, 2010·6 cites·16 claims
- 3472US8063570B2Simple protection circuit and adaptive frequency sweeping method for CCFL inverterZHANG JUNMING·Filed 2008·Granted Nov 22, 2011·4 cites·22 claims
- 3571US9201102B2AC signal detector and the method thereofCHENGDU MONOLITHIC POWER SYS·Filed 2013·Granted Dec 1, 2015·2 cites·20 claims
- 3669US8004360B2Close-loop Class-D audio amplifier and control method thereofMONOLITHIC POWER SYSTEMS INC·Filed 2010·Granted Aug 23, 2011·3 cites·19 claims
- 3769US2025286465A1Multi-output switching power supply and control method thereofJOULWATT TECH CO LTD·Filed 2025·Application pending·0 cites
- 3868US2025164565A1Method for managing vehicle-mounted power battery based on stochastic theoryUNIV SHANDONG·Filed 2025·Application pending·0 cites
- 3967US5870118AInk-jet printer head formed of multiple ink-jet printer modulesFRANCOTYP POSTALIA GMBH·Filed 1995·Granted Feb 9, 1999·25 cites·42 claims
- 4066US12483148B2Flyback converter with high efficiency and control method thereofJOULWATT TECH CO LTD·Filed 2023·Granted Nov 25, 2025·0 cites·17 claims
- 4166US8054655B2Tail current control of isolated converter and apparatus thereofMONOLITHIE POWER SYSTEMS INC·Filed 2008·Granted Nov 8, 2011·10 cites·31 claims
- 4266US2024145861A1Battery pack and battery systemHUAWEI DIGITAL POWER TECH CO LTD·Filed 2023·Application pending·0 cites
- 4366US2025364914A1Control circuit and control method for flyback converter, and switching power supplyJOULWATT TECH CO LTD·Filed 2025·Application pending·0 cites
- 4465US8593841B2Compensation circuit for constant current regulation of power supply and method thereofWANG SIRAN·Filed 2011·Granted Nov 26, 2013·3 cites·20 claims
- 4565US8320139B2Switching regulator with frequency limitation and method thereofHU JIN·Filed 2010·Granted Nov 27, 2012·2 cites·16 claims
- 4664US8391030B2Switching mode power supplies and associated methods of controlLI EN·Filed 2010·Granted Mar 5, 2013·2 cites·11 claims
- 4763USD986432SMassage apparatusSHENZHEN JIANYI LIFE TECH CO LTD·Filed 2021·Granted May 16, 2023·3 cites·1 claims
- 4863US8537584B2Latch-off of synchronous rectification for light load controlREN YUANCHENG·Filed 2010·Granted Sep 17, 2013·2 cites·23 claims
- 4963US5793149AArrangement for plate-shaped piezoactuators and method for the manufacture thereofFRANCOTYP POSTALIA GMBH·Filed 1997·Granted Aug 11, 1998·21 cites·2 claims
- 5062US8472217B2Switching mode power supply with a multi-mode controllerLI EN·Filed 2010·Granted Jun 25, 2013·2 cites·37 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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