Zhou; Xunwei

Patent Applications and Registrations

Patent applications and USPTO patent grants for Zhou; Xunwei.The latest application filed is for "control method of switching circuit, control circuit of switching circuit, and switching circuit".

Company Profile

6.52.50

Zhou; Xunwei - Zhejiang CN
Zhou; Xunwei - Hangzhou CN
Zhou; Xunwei - Zhangjiagang CN
Zhou; Xunwei - Zhangjiagang City CN
Zhou; Xunwei - Hangzhou City CN
Zhou; Xunwei - Milpitas CA US
Zhou; Xunwei - San Jose CA
Zhou; Xunwei - Fremont CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
LED driving circuit and LED driving method Grant 11,438,979 - Zha , et al. September 6, 2	2022-09-06
Control method of single live line charging circuit, control circuit of single live line charging circuit and single live line charging circuit Grant 11,309,796 - Long , et al. April 19, 2	2022-04-19
Power transistor driving method, driving circuit and switching circuit Grant 11,218,136 - Wong , et al. January 4, 2	2022-01-04
Control method and control circuit for switching power supply circuit, and switching power supply circuit Grant 11,201,553 - Dou , et al. December 14, 2	2021-12-14
Clamping switch abnormality detection method, clamping switch abnormality detection circuit and switch circuit Grant 11,165,355 - Wong , et al. November 2, 2	2021-11-02
Active clamping flyback circuit and control method thereof Grant 11,152,866 - Wong , et al. October 19, 2	2021-10-19
Control Method Of Switching Circuit, Control Circuit Of Switching Circuit, And Switching Circuit App 20210194373 - WU; Minghao ; et al.	2021-06-24
Power Transistor Driving Method, Driving Circuit and Switching Circuit App 20210152169 - WONG; Pitleong ; et al.	2021-05-20
Clamping Switch Abnormality Detection Method, Clamping Switch Abnormality Detection Circuit And Switch Circuit App 20210152094 - Wong; Pitleong ; et al.	2021-05-20
Power Transistor Driving Method, Driving Circuit and Switching Circuit App 20210152159 - WONG; Pitleong ; et al.	2021-05-20
LED Driving Circuit and LED Driving Method App 20210144822 - ZHA; Zhenxu ; et al.	2021-05-13
Switching power supply controlling circuit and controlling method thereof Grant 10,951,108 - He , et al. March 16, 2	2021-03-16
Active Clamping Flyback Circuit And Control Method Thereof App 20210058002 - WONG; Pitleong ; et al.	2021-02-25
Switching Power Supply Controlling Circuit And Controlling Method Thereof App 20210057979 - HE; Yongji ; et al.	2021-02-25
Control Method and Control Circuit for Switching Power Supply Circuit, and Switching Power Supply Circuit App 20210058001 - DOU; Xunjin ; et al.	2021-02-25
Power device driving method and drive circuit for switching circuit, and the switching circuit Grant 10,886,853 - Xu , et al. January 5, 2	2021-01-05
Drive method and drive circuit for power switch, and power supply system Grant 10,886,913 - Wong , et al. January 5, 2	2021-01-05
Supply method of dual-chip power circuit and dual-chip power circuit Grant 10,855,163 - Long , et al. December 1, 2	2020-12-01
Control Method Of Single Live Line Charging Circuit, Control Circuit Of Single Live Line Charging Circuit And Single Live Line Charging Circuit App 20200335983 - LONG; Hao ; et al.	2020-10-22
Supply Method Of Dual-chip Power Circuit And Dual-chip Power Circuit App 20200336060 - LONG; Hao ; et al.	2020-10-22
Circuit and method for detecting current zero-crossing point and circuit and method for detecting load voltage Grant 10,715,125 - Wong , et al.	2020-07-14
Control circuit and control method for lighting circuit, and lighting circuit Grant 10,645,780 - Wu , et al.	2020-05-05
Flyback switching power supply Grant 10,644,604 - Wong , et al.	2020-05-05
Battery balance circuit, control method for battery balance and battery system Grant 10,644,517 - Huang , et al.	2020-05-05
Protection circuit and illumination driving circuit Grant 10,506,684 - Zhang , et al. Dec	2019-12-10
Synchronous rectification control circuit, method and flyback switch circuit Grant 10,505,442 - Wong , et al. Dec	2019-12-10
Circuit And Method For Detecting Current Zero-crossing Point And Circuit And Method For Detecting Load Voltage App 20190356307 - WONG; Pitleong ; et al.	2019-11-21
Control circuit and control method for lighting circuit, and lighting circuit App 20190350055 - WU; Zhongwu ; et al.	2019-11-14
Flyback Switching Power Supply App 20190348920 - WONG; Pitleong ; et al.	2019-11-14
Active-clamp flyback circuit and control method thereof Grant 10,461,653 - Wong , et al. Oc	2019-10-29
Isolated switch-mode power supply and control circuit and control method for isolated switch-mode power supply Grant 10,418,910 - Wong , et al. Sept	2019-09-17
Circuit and method for overcurrent control and power supply system including the same Grant 10,411,586 - Chan , et al. Sept	2019-09-10
Circuit and method for detecting current zero-crossing point, and circuit and method for detecting load voltage Grant 10,411,685 - Wong , et al. Sept	2019-09-10
Power supply protection circuit and method Grant 10,396,658 - Chan , et al. A	2019-08-27
Control circuit and control method for switch circuit and switching-mode power supply circuit Grant 10,355,604 - Wong , et al. July 16, 2	2019-07-16
Dimming circuit, dimming method and LED driving circuit Grant 10,327,296 - Liu , et al.	2019-06-18
Control circuit and device with edge comparison for switching circuit Grant 10,320,291 - Wong , et al.	2019-06-11
Bus-based information collection system with micro power consumption for battery packages Grant 10,317,476 - Zhou , et al.	2019-06-11
Power supplying circuit for drive of switching power supply and switching power supply Grant 10,298,129 - Xu , et al.	2019-05-21
Control method and control circuit for switch circuit and switch circuit device Grant 10,263,610 - Wong , et al.	2019-04-16
Isolated Switch-mode Power Supply And Control Circuit And Control Method For Isolated Switch-mode Power Supply App 20190068072 - WONG; Pitleong ; et al.	2019-02-28
Control circuit and control method for switch power supply, and switch power supply Grant 10,218,272 - Chan , et al. Feb	2019-02-26
Switch control circuit and switch circuit Grant 10,205,448 - Xu , et al. Feb	2019-02-12
Active-clamp flyback circuit and control method thereof Grant 10,199,949 - Wong , et al. Fe	2019-02-05
Bleeder circuit Grant 10,153,684 - Liu , et al. Dec	2018-12-11
Bleeder circuit and control method thereof, and LED control circuit Grant 10,143,051 - Liu , et al. Nov	2018-11-27
Isolating Switch Circuit And Control Method Thereof App 20180287480 - WONG; Pitleong ; et al.	2018-10-04
Isolating switch circuit and control method thereof Grant 10,090,750 - Wong , et al. October 2, 2	2018-10-02
General control circuit for active balance Grant 10,090,684 - Xi , et al. October 2, 2	2018-10-02
Integrated circuit with multiplexed pin and pin multiplexing method Grant 10,075,152 - Cheng , et al. September 11, 2	2018-09-11
Protection Circuit And Illumination Driving Circuit App 20180241195 - ZHANG; Junming ; et al.	2018-08-23
Dimming Circuit, Dimming Method and LED Driving Circuit App 20180192491 - Liu; Guoqiang ; et al.	2018-07-05
Bleeder Circuit And Control Method Thereof, And Led Control Circuit App 20180139816 - LIU; Guoqiang ; et al.	2018-05-17
Voltage-deviation detecting and adjusting system for balance module of battery Grant 9,971,367 - Zhou , et al. May 15, 2	2018-05-15
Bleeder Circuit App 20180115234 - LIU; Guoqiang ; et al.	2018-04-26
Control Circuit And Control Method For Switch Power Supply, And Switch Power Supply App 20180109191 - Chan; Siopang ; et al.	2018-04-19
Synchronous Rectification Control Circuit, Method And Flyback Switch Circuit App 20180091040 - WONG; Pitleong ; et al.	2018-03-29
Integrated Circuit With Multiplexed Pin And Pin Multiplexing Method App 20180091126 - CHENG; Yang ; et al.	2018-03-29
Battery Balance Circuit, Control Method for Battery Balance and Battery System App 20180090950 - Huang; Libin ; et al.	2018-03-29
Ripple removing circuit and LED control circuit applying the same Grant 9,918,365 - Bai , et al. March 13, 2	2018-03-13
Control Method And Control Circuit For Switch Circuit And Switch Circuit Device App 20180062632 - WONG; Pitleong ; et al.	2018-03-01
Control Method, Control Circuit and Device for Switching Circuit App 20180062511 - Wong; Pitleong ; et al.	2018-03-01
Control Circuit And Control Method For Switch Circuit And Switching-mode Power Supply Circuit App 20180062526 - WONG; Pitleong ; et al.	2018-03-01
Ripple Removing Circuit And Led Control Circuit Applying The Same App 20180063911 - BAI; Lang ; et al.	2018-03-01
Drive Method And Drive Circuit For Power Switch, And Power Supply System App 20180062641 - Wong; Pitleong ; et al.	2018-03-01
Circuit and Method for Overcurrent Control and Power Supply System Including the Same App 20180041111 - Chan; Siopang ; et al.	2018-02-08
Volatage-Deviation Detecting And Adjusting System For Balance Module Of Battery App 20180039294 - Zhou; Xunwei ; et al.	2018-02-08
Bus-Based Information Collection System With Micro Power Consumption For Battery Packages App 20180024197 - Zhou; Xunwei ; et al.	2018-01-25
General Control Circuit for Active Balance App 20180019599 - Xi; Danji ; et al.	2018-01-18
Switch Control Circuit And Switch Circuit App 20170338814 - XU; Feng ; et al.	2017-11-23
Circuit and Method for Detecting Current Zero-Crossing Point, and Circuit and Method for Detecting Load Voltage App 20170310313 - Wong; Pitleong ; et al.	2017-10-26
Self-adaption current control circuit Grant 9,787,182 - Bai , et al. October 10, 2	2017-10-10
Power Supply Protection Circuit and Method App 20170222550 - CHAN; Siopang ; et al.	2017-08-03
Self-adaption Current Control Circuit App 20170194856 - BAI; Lang ; et al.	2017-07-06
Circuit For Increasing Buck Output Voltage App 20170117802 - ZHANG; Junming ; et al.	2017-04-27
Body diode conduction optimization in MOSFET synchronous rectifier Grant 9,608,532 - Wong , et al. March 28, 2	2017-03-28
Integrated buck/boost battery management for power storage and delivery Grant 9,472,980 - Zhou October 18, 2	2016-10-18
Body Diode Conduction Optimization In Mosfet Synchronous Rectifier App 20160294298 - Wong; Pitleong ; et al.	2016-10-06
LED light dimming with a target brightness Grant 8,872,438 - Zhou , et al. October 28, 2	2014-10-28
Detection of swelling in batteries Grant 8,717,186 - Zhou May 6, 2	2014-05-06
Detection Of Swelling In Batteries App 20140002269 - Zhou; Xunwei	2014-01-02
Led Light Dimming App 20130334980 - Zhou; Xunwei ; et al.	2013-12-19
Integrated Battery Management App 20130320932 - Zhou; Xunwei	2013-12-05
Advanced current-mode control for switched regulators Grant 7,812,585 - Zhou , et al. October 12, 2	2010-10-12
Variable frequency current-mode control for switched step up-step down regulators Grant 7,466,112 - Zhou , et al. December 16, 2	2008-12-16
Advanced current-mode control for switched regulators App 20080297122 - Zhou; Xunwei ; et al.	2008-12-04
Current-mode control for switched step up-step down regulators Grant 7,394,231 - Flatness , et al. July 1, 2	2008-07-01
Protection for switched step up/step down regulators Grant 7,365,525 - Zhou , et al. April 29, 2	2008-04-29
Light load current-mode control for switched step up-step down regulators Grant 7,256,570 - Zhou , et al. August 14, 2	2007-08-14
Variable frequency current-mode control for switched step up-step down regulators App 20060176036 - Flatness; Randy G. ; et al.	2006-08-10
Protection for switched step up/step down regulators App 20060176037 - Flatness; Randy G. ; et al.	2006-08-10
Current-mode control for switched step up-step down regulators App 20060176038 - Flatness; Randy G. ; et al.	2006-08-10
Light load current-mode control for switched step up-step down regulators App 20060176035 - Flatness; Randy G. ; et al.	2006-08-10
Current sensing and current sharing Grant 6,414,469 - Zhou , et al. July 2, 2	2002-07-02
Current sensing and current sharing App 20020036486 - Zhou, Xunwei ; et al.	2002-03-28

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