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Ching-Tsan Lee — 26 Patents

LTLeadtrend Technology: 20 patents #3 of 93Top 4%

EMExcelliance Mos: 6 patents #4 of 22Top 20%

Baoshan, TW: #95 of 3,661 inventorsTop 3%

Overall (All Time): #150,017 of 4,157,543Top 4%

26 Patents All Time

Ching-Tsan Lee has been granted 26 US patents while listed as an inventor at Leadtrend Technology. The first was granted in 2011 and the most recent in January 2021. Ching-Tsan Lee ranks #150,017 of 4,157,543 US inventors in our database (top 3.6%). Patent records list Ching-Tsan Lee in Baoshan, TW.

Patents per Year

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #	Title	Co-Inventors	Date
10892675	Voltage converting circuit and control circuit thereof	Pei-Ting Yang, Ming-Hung Chien	2021-01-12
10826288	Power circuit for reducing inrush current	Ming-Hung Chien	2020-11-03
10826491	Control circuit for load switch	Ming-Hung Chien, Pei-Ting Yang	2020-11-03
10693453	Power switch circuit	Ke-Wei Wu, Pei-Ting Yang	2020-06-23
10571986	Power delivery controller applied to a power converter and operation method thereof	Ming-Hung Chien, Chun-Hsin Li	2020-02-25
10218344	Voltage conversion circuit and control circuit thereof	Pei-Ting Yang	2019-02-26
10186954	Voltage converting circuit and control circuit thereof	Ke-Wei Wu, Ming-Hung Chien	2019-01-22
10186972	Controller applied to a secondary side of a power convertor and operation method thereof	Hsiang-Feng Yu	2019-01-22
10075082	Switching mode power supplies with fast load-transient response	Chung-Wei Lin, Yang-Sheng Lin	2018-09-11
9974124	LED controllers for dimming at least one LED string	Mao-Shih Li	2018-05-15
9800135	Ripple suppressor	Wei-Wen Ou, Chien-Chun Lu	2017-10-24
9774267	Power supplies and control methods suitable for sequentially transmitting command bits from secondary side to primary side	Mao-Shih Li, Hsin-Hung Lu, San-Yi Li	2017-09-26
9730283	Drivers and driving methods for a LED string, capable of providing LED short protection or avoiding LED flickering	—	2017-08-08
9613572	Controller and method for dimming light-emitting diodes	—	2017-04-04
9408276	Short circuit detection circuit and control method thereof	Pai-Feng Liu	2016-08-02
9301364	Drivers and driving methods for a LED string, capable of providing LED short protection or avoiding LED flickering	—	2016-03-29
9215773	Control methods and backlight controllers for light dimming	Mao-Shih Li	2015-12-15
8860315	Integrated circuits, control methods and lighting systems	Pai-Feng Liu	2014-10-14
8829801	Power contollers and control methods	—	2014-09-09
8823358	Calibration apparatus and method thereof, multi-channel driving circuit and current balancing method	—	2014-09-02
8669706	Integrated circuits, control methods and lighting systems	—	2014-03-11
8581502	Circuit for light emitting diodes, related integrated circuit and control method	—	2013-11-12
8552710	Calibration apparatus and method thereof, multi-channel driving circuit and current balancing method	—	2013-10-08
8471605	Driving circuit having current balancing functionality	Chung-Wei Lin	2013-06-25
8058832	Motor driving circuit and method thereof	—	2011-11-15