Hangzhou
China
59
2026-04-30
The entities that hold a legal rights for patent applications filed by inventor Zhang Junming:
Junming Zhang from Hangzhou, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
MULTI-OUTPUT SWITCHING POWER SUPPLY AND A CONTROL METHOD THEREOF
#2 | 2025-11-27CONTROL CIRCUIT AND CONTROL METHOD FOR FLYBACK CONVERTER, AND SWITCHING POWER SUPPLY
#3 | 2025-09-11MULTI-OUTPUT SWITCHING POWER SUPPLY AND CONTROL METHOD THEREOF
#4 | 2025-01-09FLYBACK CONVERTER AND SWITCH CONTROL CIRCUIT, CONTROL METHOD THEREOF
#5 | 2024-06-20FLYBACK CONVERTER WITH HIGH EFFICIENCY AND CONTROL METHOD THEREOF
#6 | 2024-06-06Soft Switch Control Circuit of Flyback Converter and Flyback Converter Applying the Same
#7 | 2024-04-11Protection Circuit of Flyback Converter and Control Method
#8 | 2024-04-11Protection Circuit of Flyback Converter and Control Method
#9 | 2023-04-13Switching Mode Power Supply With Zero Voltage Switching And The Method Thereof
#10 | 2022-02-03Bridge circuit with series-connected switches and control method thereof
#11 | 2018-08-23Protection circuit and illumination driving circuit
#12 | 2018-04-26Bleeder circuit
#13 | 2018-03-29Synchronous rectification control circuit, method and flyback switch circuit
#14 | 2018-02-08Control circuit and control method for a power converter
#15 | 2017-04-27CIRCUIT FOR INCREASING BUCK OUTPUT VOLTAGE
#16 | 2015-04-16Flyback converter with current controlled low power mode
#17 | 2015-01-29High efficiency gate drive circuit for power transistors
#18 | 2015-01-15Peak sample circuit for AC voltage and method thereof
#19 | 2014-09-25Multi-mode PFC control and control method thereof
#20 | 2014-06-26Switch mode power supply, control circuit and associated control method
#21 | 2014-06-05AC signal detector and the method thereof
#22 | 2013-11-21SWITCHING REGULATOR, THE CONTROL CIRCUIT AND THE METHOD THEREOF
#23 | 2013-11-14Switching mode power supply and the method thereof
#24 | 2013-11-14Isolated switching mode power supply and the method thereof
#25 | 2013-11-14Isolated switching mode power supply and the method thereof
#26 | 2012-11-22BRIDGELESS PFC CONVERTER AND THE METHOD THEREOF
#27 | 2012-10-04BALLAST AND ASSOCIATED CONTROL CIRCUIT
#28 | 2012-06-07Bridgeless PFC converter and the method thereof
#29 | 2012-05-10Compensation circuit for constant current regulation of power supply and method thereof
#30 | 2012-05-10Peak current control circuit for switching mode power supply and method thereof
#31 | 2012-01-19METHOD AND CIRCUIT FOR CURRENT BALANCE
#32 | 2011-11-24Triac dimmer compatible switching mode power supply and method thereof
#33 | 2011-09-22SWITCHING MODE POWER SUPPLIES WITH PRIMARY SIDE CONTROL AND ASSOCIATED METHODS OF CONTROL
#34 | 2011-09-22Power systems for driving light emitting diodes and associated methods of control
#35 | 2011-09-22Light emitting diode driver systems and associated methods of control
#36 | 2011-09-22Driver systems for driving light emitting diodes and associated driving methods
#37 | 2011-08-18Switching mode power supply with primary side control
#38 | 2011-07-28PACKAGE FOR SYNCHRONOUS RECTIFIER MODULE
#39 | 2011-05-12Switching mode power supply with spectrum shaping and the method thereof
#40 | 2011-04-14Switching mode power supply with burst mode and associated methods of control
#41 | 2011-03-03Switching mode power supplies and associated methods of control
#42 | 2011-01-20Latch-off of synchronous rectification for light load control
#43 | 2011-01-13Frequency limitation method with time hysteresis used in quasi-resonant control
#44 | 2011-01-13Latch-off of real time synchronous rectification for light load control
#45 | 2011-01-06SWITCHING REGULATOR WITH FAULT PROTECTION AND METHOD THEREOF
#46 | 2010-12-02Switching mode power supply with a spectrum shaping circuit
#47 | 2010-12-02Switching mode power supply with a multi-mode controller
#48 | 2010-12-02DUAL ENDED DRIVER CIRCUIT FOR LCD BACKLIGHT AND THE METHOD THEREOF
#49 | 2010-10-28Circuit and method for striking CCFL
#50 | 2010-10-21Switching regulator with frequency limitation and method thereof
#51 | 2010-10-21Close-loop Class-D audio amplifier and control method thereof
#52 | 2010-08-12Off time control method for switching regulator
#53 | 2010-03-25Methods and apparatus for driving discharge lamps
#54 | 2010-02-25Power converters and associated methods of control
#55 | 2009-11-19Method and apparatus for driving multiple parallel discharge lamps
#56 | 2009-11-05Smart driving method for synchronous rectifier and its apparatus thereof
#57 | 2009-06-04Simple protection circuit and adaptive frequency sweeping method for CCFL inverter
#58 | 2009-02-19Close-loop class-D audio amplifier and control method thereof
#59 | 2008-07-24Single-ended DC to AC power inverter
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