Inventor

Lieyi Fang

Inventor

Shanghai, CN

Overview

2003–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 299 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Mprimary

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems36%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications25%

H05BElectric heating18%

H03KPulse technique7%

H02HEmergency protective circuit arrangements6%

H03FAmplifiers2%

G05FSystems for regulating electric or magnetic variables2%

H05KPrinted circuits1%

H02JElectric power networks1%

H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses1%

PatentTitleYear

11,051,379Systems and methods for regulating LED currents2021 11,026,304Systems and methods for stage-based control related to TRIAC dimmers2021 10,879,793Systems and methods for reducing electromagnetic interference using switching frequency jittering2020 10,873,263Systems and methods of overvoltage protection for LED lighting2020 10,819,226Systems and methods for reducing electromagnetic interference using switching frequency jittering2020 10,811,965Systems and methods for output current regulation in power conversion systems2020 10,811,955System and method providing over current protection based on duty cycle information for power converter2020 10,806,003Systems and methods for current regulation in light-emitting-diode lighting systems2020 10,790,751Systems and methods for real-time signal sampling in power conversion systems2020 10,785,837Systems and methods for stage-based control related to TRIAC dimmers2020 10,779,373Systems and methods for current regulation in light-emitting-diode lighting systems2020 10,757,778Systems and methods for output current regulation in power conversion systems2020 10,756,687Switching controllers and methods for loads2020 10,756,634Systems and methods for protecting power conversion systems under open and/or short circuit conditions2020 10,749,479Amplification systems and methods with distortion reductions2020 10,749,439Systems and methods for two-level protection of power conversion systems2020 10,742,114Systems and methods for reducing electromagnetic interference using switching frequency jittering2020 10,742,122Systems and methods for voltage control and current control of power conversion systems with multiple operation modes2020 10,727,743Systems and methods for enhancing dynamic response of power conversion systems2020 10,728,983Systems and methods for current regulation in light-emitting-diode lighting systems2020 10,693,374Systems and methods for adjusting one or more thresholds in power converters2020 10,693,375Systems and methods for adjusting one or more thresholds in power converters2020 10,686,373Systems and methods for output current regulation in power conversion systems2020 10,686,359Systems and methods for regulating output currents of power conversion systems2020 10,687,397Systems and methods for intelligent dimming control using TRIAC dimmers2020 10,680,525Systems and methods for output current regulation in power conversion systems2020 10,681,786Two-terminal integrated circuits with time-varying voltage-current characteristics including phased-locked power supplies2020 10,667,351LED lighting systems and methods for constant current control in various operation modes2020 10,651,747Systems and methods with timing control for synchronization rectifier controllers2020 10,624,188Systems and methods for stage-based control related to TRIAC dimmers2020 10,622,903Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms2020 10,622,902Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms2020 10,615,684System and method providing over current protection based on duty cycle information for power converter2020 10,609,778LED lighting systems and methods for constant current control in various operation modes2020 10,595,369Systems and methods for current regulation in light-emitting-diode lighting systems2020 10,581,315System and method providing over current protection based on duty cycle information for power converter2020 10,566,809Systems and methods for discharging an AC input capacitor with automatic detection2020 10,548,195LED lighting systems and methods for constant current control in various operation modes2020 10,536,081Systems and methods for driving a bipolar junction transistor by adjusting base current with time2020 10,530,242System and method providing over current protection based on duty cycle information for power converter2020 10,512,131Systems and methods for bleeder control related to lighting emitting diodes2019 10,505,460Systems and methods for power converters with self-regulated power supplies2019 10,505,507Amplification systems and methods with output regulation2019 10,490,998Systems and methods for over-temperature protection and over-voltage protection for power conversion systems2019 10,483,838System and method providing over current protection based on duty cycle information for power converter2019 10,483,856Systems and methods with prediction mechanisms for synchronization rectifier controllers2019 10,454,378Systems and methods for voltage control and current control of power conversion systems with multiple operation modes2019 10,455,657Systems and methods for dimming control using TRIAC dimmers2019 10,448,469Systems and methods for intelligent dimming control using TRIAC dimmers2019 10,448,470Systems and methods for dimming control using triac dimmers2019 10,411,605Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms2019 10,411,604Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms2019 10,411,598Systems and methods for adjusting one or more thresholds in power converters2019 10,396,666Systems and methods for adjusting one or more thresholds in power converters2019 10,389,234Systems and methods for reducing electromagnetic interference using switching frequency jittering2019 10,383,187Systems and methods for intelligent control related to TRIAC dimmers2019 10,375,787LED lighting systems and methods for constant current control in various operation modes2019 10,375,785Systems and methods for stage-based control related to TRIAC dimmers2019 10,361,623System and method providing over current protection based on duty cycle information for power converter2019 10,355,644Amplification systems and methods with one or more channels2019 10,355,598Systems and methods for real-time signal sampling in power conversion systems2019 10,342,087Systems and methods for intelligent dimming control using TRIAC dimmers2019 10,342,088LED lighting systems and methods for constant current control in various operation modes2019 10,340,795Systems and methods for output current regulation in power conversion systems2019 10,334,677Systems and methods for intelligent dimming control using TRIAC dimmers2019 10,334,679Systems and methods for stage-based control related to TRIAC dimmers2019 10,314,130LED lighting systems and methods for constant current control in various operation modes2019 10,305,386Systems and methods for two-level protection of power conversion systems2019 10,299,322Systems and methods for regulating LED currents2019 10,292,217Systems and methods for dimming control using system controllers2019 10,291,135Systems and methods for regulating power conversion systems operating in quasi-resonant mode2019 10,291,131Systems and methods for peak current adjustments in power conversion systems2019 10,285,228Systems and methods for current regulation in light-emitting-diode lighting systems2019 10,277,110System and method providing over current protection based on duty cycle information for power converter2019 10,277,132Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation2019 10,270,350Systems and methods for voltage control and current control of power conversion systems with multiple operation modes2019 10,270,334Systems and methods for output current regulation in power conversion systems2019 10,256,734Systems and methods for source switching and voltage generation2019 10,243,448System and method providing over current protection based on duty cycle information for power converter2019 10,244,592Systems and methods for current regulation in light-emitting-diode lighting systems2019 10,244,593Systems and methods for current regulation in light-emitting-diode lighting systems2019 10,243,459Systems and methods of overvoltage protection for LED lighting2019 10,236,778Systems and methods for protecting power conversion systems under open and/or short circuit conditions2019 10,231,296Two-terminal integrated circuits with time-varying voltage-current characteristics including phased-locked power supplies2019 10,230,304Systems and methods for reducing electromagnetic interference by adjusting switching processes2019 10,224,821Systems and methods for dynamic threshold adjustment with primary-side sensing and regulation for flyback power converters2019 10,212,783Systems and methods for overvoltage protection for LED lighting2019 10,211,740Systems and methods for high precision and/or low loss regulation of output currents of power conversion systems2019 10,211,741Systems and methods for voltage regulation of primary side regulated power conversion systems with compensation mechanisms2019 10,212,768Systems and methods for current regulation in light-emitting-diode lighting systems2019 10,211,626System and method providing reliable over current protection for power converter2019 10,205,395Systems and methods for current control of power conversion systems2019 10,199,946Systems and methods for adjusting peak frequencies with duty cycles2019 10,199,934Systems and methods for output current regulation in power conversion systems2019 10,199,943Systems and methods for voltage regulation of primary side regulated power conversion systems with compensation mechanisms2019 10,199,944Systems and methods for flyback power converters with switching frequency and peak current adjustments2019 10,193,451Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms2019 10,193,443Systems and methods for enhancing dynamic response of power conversion systems2019 10,193,510Switching controllers and methods for loads2019 10,194,500Systems and methods for dimming control using TRIAC dimmers2019 10,181,795Systems and methods for power converters with self-regulated power supplies2019 10,182,478Systems and methods for current regulation in light-emitting-diode lighting systems2019 10,177,665Systems and methods for high precision and/or low loss regulation of output currents of power conversion systems2019 10,170,999Systems and methods for regulating output currents of power conversion systems2019 10,158,294Systems and methods for constant current control with primary-side sensing and regulation in various operation modes2018 10,148,187Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms2018 10,148,189Systems and methods with timing control for synchronization rectifier controllers2018 10,122,283Systems and methods for constant current control with primary-side sensing and regulation in various operation modes2018 10,122,284Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms2018 10,116,220Systems and methods for protecting power conversion systems under open and/or short circuit conditions2018 10,097,080System and method providing over current protection based on duty cycle information for power converter2018 10,097,098Systems and methods with timing control for synchronization rectifier controllers2018 10,090,768Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms2018 10,091,847Systems and methods for dimming control using TRIAC dimmers2018 10,069,424Systems and methods for voltage control and current control of power conversion systems with multiple operation modes2018 10,063,153Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms2018 10,044,254Systems and methods for regulating output currents of power conversion systems2018 10,027,222System and method providing over current protection based on duty cycle information for power converter2018 10,008,939Systems and methods for protecting power conversion systems based on at least feedback signals2018 10,003,268Systems and methods for output current regulation in power conversion systems2018 10,003,271Systems and methods for constant voltage control and constant current control2018 9,991,802Systems and methods for regulating output currents of power conversion systems2018 9,986,605Systems and methods for output current regulation in power conversion systems2018 9,972,994Systems and methods for over-temperature protection and over-voltage protection for power conversion systems2018 9,966,860Systems and methods for reducing standby power consumption of switch-mode power converters2018 9,961,734Systems and methods for dimming control using TRIAC dimmers2018 9,960,674Systems and methods for output current regulation in power conversion systems2018 9,954,446Systems and methods for constant current control with primary-side sensing and regulation in various operation modes2018 9,929,655'Systems and methods for flyback power converters with switching frequency and peak current adjustments'2018 9,906,144'Systems and methods for protecting power conversion systems from thermal runaway'2018 9,900,943'Two-terminal integrated circuits with time-varying voltage-current characteristics including phased-locked power supplies'2018 9,899,849'Systems and methods for discharging an AC input capacitor with automatic detection'2018 9,883,557'Two-terminal integrated circuits with time-varying voltage-current characteristics including phased-locked power supplies'2018 9,883,556'Systems and methods for current regulation in light-emitting-diode lighting systems'2018 9,883,562'Systems and methods for intelligent dimming control using TRIAC dimmers'2018 9,872,347'Systems and methods for current regulation in light-emitting-diode lighting systems'2018 9,871,451'Systems and methods for voltage control and current control of power conversion systems with multiple operation modes'2018 9,847,728Systems and methods for regulating power conversion systems operating in quasi-resonant mode2017 9,843,263'Systems and methods for driving a bipolar junction transistor by adjusting base current with time'2017 9,825,539'System and method providing protection in the event of current sensing failure for power converter'2017 9,825,542'Systems and methods for adjusting peak frequencies with duty cycles'2017 9,825,533'Systems and methods for voltage regulation of primary side regulated power conversion systems with compensation mechanisms'2017 9,819,262'Systems and methods for enhancing dynamic response of power conversion systems'2017 9,812,970'Systems and methods for constant current control with primary-side sensing and regulation in various operation modes'2017 9,807,840'LED lighting systems and methods for constant current control in various operation modes'2017 9,794,997'LED lighting systems and methods for constant current control in various operation modes'2017 9,787,198'Systems and methods with prediction mechanisms for synchronization rectifier controllers'2017 9,780,672'Systems and methods for overvoltage protection for LED lighting'2017 9,768,777'Systems and methods of level shifting for voltage drivers'2017 9,750,107'Systems and methods for intelligent dimming control using TIRAC dimmers'2017 9,729,067'Systems and methods for reducing electromagnetic interference by adjusting switching processes'2017 9,722,495'Systems and methods for real-time signal sampling in power conversion systems'2017 9,722,497'Systems and methods for adjusting frequencies and currents based on load conditions of power conversion systems'2017 9,716,469'Amplification systems and methods with one or more channels'2017 9,712,065'Systems and methods for source switching and voltage generation'2017 9,692,306'Systems and methods for voltage regulation of primary side regulated power conversion systems with compensation mechanisms'2017 9,685,919'Amplification systems and methods with output regulation'2017 9,647,448'System and method providing over current and over power protection for power converter'2017 9,641,082'Systems and methods for zero voltage switching in power conversion systems'2017 9,614,445'Systems and methods for high precision and/or low loss regulation of output currents of power conversion systems'2017 9,595,874'Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms'2017 9,584,025'Systems and methods for flyback power converters with switching frequency and peak current adjustments based on changes in feedback signals'2017 9,583,935'Systems and methods for protecting power conversion systems under open and/or short circuit conditions'2017 9,585,222'Systems and methods for intelligent dimming control using TRIAC dimmers'2017 9,584,005'Systems and methods for regulating output currents of power conversion systems'2017 9,577,537'Systems and methods for load compensation with primary-side sensing and regulation for flyback power converters'2017 9,577,536'System and method providing reliable over current protection for power converter'2017 9,570,903'Systems and methods for protecting power conversion systems under open and/or short circuit conditions'2017 9,570,986'Systems and methods for regulating output currents of power conversion systems'2017 9,564,811'Systems and methods for regulating output currents of power conversion systems'2017 9,559,598'Systems and methods for flyback power converters with switching frequency and peak current adjustments'2017 9,554,432'Systems and methods for dimming control using system controllers'2017 9,553,501'System and method providing over current protection based on duty cycle information for power converter'2017 9,548,652'System and method providing over current protection based on duty cycle information for power converter'2017 9,531,278'Systems and methods for current control of power conversion systems'2016 9,480,118'Systems and methods for intelligent control related to TRIAC dimmers'2016 9,431,891'Systems and methods for two-level protection of power conversion systems'2016 9,426,850'Systems and methods for current matching of LED channels'2016 9,414,455'Systems and methods for dimming control with capacitive loads'2016 9,413,246'Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms'2016 9,408,269'Systems and methods for dimming control using TRIAC dimmers'2016 9,397,550'Systems and methods for over-temperature protection and over-voltage protection for power conversion systems'2016 9,385,612'Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation'2016 9,379,623'Systems and methods for dynamic threshold adjustment with primary-side sensing and regulation for flyback power converters'2016 9,379,624'Systems and methods for peak current adjustments in power conversion systems'2016 9,374,019'Systems and methods for discharging an AC input capacitor with automatic detection'2016 9,369,096'Amplification systems and methods with one or more channels'2016 9,362,737'System and method providing protection in the event of current sensing failure for power converter'2016 9,350,252'Systems and methods for protecting power conversion systems based on at least feedback signals'2016 9,343,979'Systems and methods for constant current control with primary-side sensing and regulation in various operation modes'2016 9,331,567'Systems and methods for reducing electromagnetic interference using switching frequency jittering'2016 9,325,234'Systems and methods for protecting power conversion systems from thermal runaway'2016 9,307,597'Systems and methods for current matching of LED strings'2016 9,301,349'Systems and methods for dimming control using system controllers'2016 9,276,571'Systems and methods for driving transistors with high threshold voltages'2016 9,257,964'Low frequency oscillator for burst-mode dimming control for CCFL driver system'2016 9,244,472'Systems and methods for enhancing dynamic response of power conversion systems'2016 9,154,038'Systems and methods for adjusting frequencies and currents based on load conditions of power conversion systems'2015 9,148,061'Systems and methods for constant voltage control and constant current control'2015 9,143,039'Systems and methods for reducing electromagnetic interference by adjusting switching processes'2015 9,124,188'Systems and methods for constant current control with primary-side sensing and regulation in various operation modes'2015 9,119,242'Systems and methods for providing power to high-intensity-discharge lamps'2015 9,113,505'Systems and methods for providing power to high-intensity-discharge lamps'2015 9,106,142'Systems and methods of primary-side sensing and regulation for flyback power converter with high stability'2015 9,088,218'Systems and methods for current control of power conversion systems'2015 9,088,217'Systems and methods for load compensation with primary-side sensing and regulation for flyback power converters'2015 9,084,317'LED lighting systems and methods for constant current control in various operation modes'2015 9,071,151'Systems and methods for source switching and voltage generation'2015 9,065,401'Amplification systems and methods with noise reductions'2015 9,059,688'High-precision oscillator systems with feed forward compensation for CCFL driver systems and methods thereof'2015 9,054,644'Amplification systems and methods with one or more channels'2015 9,048,742'Systems and methods for adjusting current consumption of control chips to reduce standby power consumption of power converters'2015 9,048,738'Systems and methods for zero voltage switching in power conversion systems'2015 9,000,681'Systems and methods for current matching of LED channels'2015 8,981,832'Amplification systems and methods with distortion reductions'2015 8,982,585'Systems and methods for primary-side regulation in off-line switching-mode flyback power conversion system'2015 8,975,957'Amplification systems and methods with one or more channels'2015 8,971,062'Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation'2015 8,953,342'Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms'2015 8,947,012'Systems and methods for current matching of LED strings'2015 8,947,136'Systems and methods of signal synchronization for driving light emitting diodes'2015 8,941,324'Systems and methods for dimming control with capacitive loads'2015 8,917,527'Systems and methods for constant current control with primary-side sensing and regulation in various operation modes'2014 8,897,037'Systems and methods for reducing standby power consumption of switch-mode power converters'2014 8,891,256'Systems and methods for flyback power converters with switching frequency and peak current adjustments'2014 8,879,283'System and method providing protection in the event of current sensing failure for power converter'2014 8,879,289'Systems and methods for flyback power converters with switching frequency and peak current adjustments based on changes in feedback signals'2014 8,837,175'Systems and methods for adaptive switching frequency control in switching-mode power conversion systems'2014 8,824,173'Systems and methods for constant voltage control and constant current control'2014 8,811,042'Systems and methods for protecting power conversion systems under open and/or short circuit conditions'2014 8,736,187'Systems and methods for controlling brightness of cold-cathode fluorescent lamps with wide dimming range and adjustable minimum brightness'2014 8,736,345'Systems and methods of level shifting for voltage drivers'2014 8,723,558'Systems and methods for driving a bipolar junction transistor by adjusting base current with time'2014 8,648,630'Systems and methods for driving transistors with high threshold voltages'2014 8,618,885'Low frequency oscillator for burst-mode dimming control for CCFL driver system'2013 8,611,106'Systems and methods for adjusting current consumption of control chips to reduce standby power consumption of power converters'2013 8,598,806'Systems and methods for intelligent control of cold-cathode fluorescent lamps'2013 8,587,226'Driver system and method with cyclic configuration for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps'2013 8,570,771'Systems and methods of primary-side sensing and regulation for flyback power converter with high stability'2013 8,559,152'System and method providing over current protection based on duty cycle information for power converter'2013 8,558,609'Amplification systems and methods with noise reductions'2013 8,537,573'System and method for providing control for switch-mode power supply'2013 8,536,851'Quasi-resonant systems and methods with multi-mode control'2013 8,526,203'Systems and methods for constant voltage mode and constant current mode in flyback power converter with primary-side sensing and regulation'2013 8,519,754'Systems and methods of signal synchronization for driving light emitting diodes'2013 8,488,342'Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation'2013 8,482,946'System and method providing over current and over power protection for power converter'2013 8,432,099'Systems and methods for controlling brightness of cold-cathode fluorescent lamps with wide dimming range and adjustable minimum brightness'2013 8,395,425'High-precision oscillator systems with feed forward compensation for CCFL driver systems and methods thereof'2013 8,391,332'System and method for controlling variations of switching frequency'2013 8,384,366'System and method for providing stable control for power systems'2013 8,379,415'Systems and methods for reducing EMI in switch mode converter systems'2013 8,344,643'Driver system and method for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps'2013 8,344,715'System and method for adaptive switching frequency control'2013 8,339,814'Method and system for efficient power control with multiple modes'2012 8,331,112'Systems and methods of primary-side sensing and regulation for flyback power converter with high stability'2012 8,330,525'System and method for driving bipolar transistors in switching power conversion'2012 8,305,776'Systems and methods for primary-side regulation in off-line switching-mode flyback power conversion system'2012 8,228,692'Systems and methods for adaptive switching frequency control in switching-mode power conversion systems'2012 8,148,909'Driver system and method with multi-function protection for cold-cathode fluorescent lamp and external-electrode fluorescent lamp'2012 8,125,802'Systems and methods for reducing EMI in switch mode converter systems'2012 8,106,641'System and method for providing stable control for power systems'2012 8,085,027'Quasi-resonant systems and methods with multi-mode control'2011 8,018,745'System and method providing over current and over power protection for power converter'2011 7,990,202'System and method for driving bipolar transistors in switching power conversion'2011 7,944,314'Low frequency oscillator for burst-mode dimming control for CCFL driver system'2011 7,898,237'System and method for power controller'2011 7,880,407'Driver system and method with cyclic configuration for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps'2011 7,859,806'System and method of electrostatic discharge protection for signals at various voltages'2010 7,852,640'System and method for providing control for switch-mode power supply'2010 7,826,237'Method and system for efficient power control with multiple modes'2010 7,812,548'Driver system and method with multi-function protection for cold-cathode fluorescent lamp and external-electrode fluorescent lamp'2010 7,795,851'System and method for adaptive switching frequency control'2010 7,781,984'System and method for analog voltage processing in wide range for cold-cathode fluorescent lamp'2010 7,750,581'Driver system and method for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps'2010 7,746,615'Adaptive multi-level threshold system and method for power converter protection'2010 7,738,227'Control system and method with constant maximum current for power converter protection'2010 7,706,162'System and method for providing switching to power regulators'2010 7,684,462'System and method for controlling variations of switching frequency'2010 7,684,220'System and method providing over current and over power protection for power converter'2010 7,679,938'System and method for providing control for switch-mode power supply'2010 7,589,574'System and method for power on reset and under voltage lockout schemes'2009 7,573,207'Driver system and method with multi-function protection for cold-cathode fluorescent lamp and external-electrode fluorescent lamp'2009 7,514,912'System and method for power controller'2009 7,511,978'System and method for providing switching to power regulators'2009 7,492,619'System and method for providing control for switch-mode power supply'2009 7,394,634'Control system and method with constant maximum current for power converter protection'2008 7,391,169'System and method for analog voltage processing in wide range for cold-cathode fluorescent lamp'2008 7,382,592'System and method of electrostatic discharge protection for signals at various voltages'2008 7,345,895'Adaptive multi-level threshold system and method for power converter protection'2008 7,317,355'Over-current detection for a power field-effect transistor (FET)'2008 7,298,187'System and method for power on reset and under voltage lockout schemes'2007 7,298,097'Driver system and method with multi-function protection for cold-cathode fluorescent lamp and external-electrode fluorescent lamp'2007 7,167,056'High performance analog charge pumped phase locked loop (PLL) architecture with process and temperature compensation in closed loop bandwidth'2007 7,099,164'Adaptive multi-level threshold system and method for power converter protection'2006 7,023,497'Clamping circuit with wide input dynamic range for video or other AC coupled signals'2006 6,940,548'Analog optical black clamping circuit for a charge coupled device having wide programmable gain range'2005 6,690,242'Delay circuit with current steering output symmetry and supply voltage insensitivity'2004 6,650,191'Low jitter ring oscillator architecture'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2008Based in Plano, TX, US· patent location history

2006–2021Patents assigned to ON BRIGHT ELECTRONICS SHANGHAI CO LTD (255)· patent assignee history

2006–2021Based in Shanghai, CN· patent location history

2011–2019Patents assigned to FANG LIEYI (54)· patent assignee history

2011–2013Patents assigned to YE JUN (10)· patent assignee history

2012–2015Patents assigned to CHEN ZHILIANG (11)· patent assignee history

2014–2019Patents assigned to GUANGZHOU ON BRIGHT ELECTRONICS CO LTD (12)· patent assignee history

2015Based in Guangzhou, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ON BRIGHT ELECTRONICS SHANGHAI CO LTD	255	2006–2021
FANG LIEYIself	54	2011–2019
GUANGZHOU ON BRIGHT ELECTRONICS CO LTD	12	2014–2019
CHEN ZHILIANG	11	2012–2015
YE JUN	10	2011–2013

Locations

Location	Patents	Span
Shanghai, CN	292	2006–2021
Plano, Texas, US	6	2003–2008
Guangzhou, CN	1	2015