LH

Leng-Nien Hsiu

RT Richtek Technology: 16 patents #26 of 459Top 6%
Overall (All Time): #292,703 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
11297702 Dimmer interface circuit and buffer stage circuit thereof Yu-Wen Chang, Isaac Y. Chen 2022-04-05
10980090 Light emitting device driving apparatus and dimming control circuit and dimming control method thereof Yu-Min Chen, Isaac Y. Chen 2021-04-13
10972090 Output stage circuit for transmitting data via bus Yu-Wen Chang, Isaac Y. Chen 2021-04-06
9504102 Light emitting device driver circuit and control circuit and control method thereof Pei-Yuan Chen, Chien-Yang Chen 2016-11-22
9277610 Power converter circuit for low power illumination device, control circuit thereof and method thereof Pei-Yuan Chen 2016-03-01
9265099 Power converter circuit for low power illumination device, control circuit thereof and method thereof Gang Zheng, Pei-Yuan Chen 2016-02-16
9247601 Light emitting device control circuit with dimming function and control method thereof Pei-Yuan Chen, Chien-Yang Chen 2016-01-26
9106151 Power-factor-improving circuit and method for an offline converter Roland Van Roy, Pei-Yuan Chen 2015-08-11
9081401 Switching regulator and control circuit and control method thereof Chia-Wei Liao, Pei-Yuan Chen, Roland Van Roy, Jing-Meng Liu 2015-07-14
9055649 Control circuit and control method of light emitting device circuit Pei-Yuan Chen, Yu-Min Chen 2015-06-09
8884537 Active bleeder circuit triggering TRIAC in all phase and light emitting device power supply circuit and TRIAC control method using the active bleeder circuit Chia-Wei Liao, Pei-Yuan Chen, Roland Van Roy, Jing-Meng Liu 2014-11-11
8780587 Switching regulator and control circuit and control method thereof Chia-Wei Liao, Jing-Meng Liu, Pei-Yuan Chen 2014-07-15
8710755 Light emitting device power supply circuit, and light emitting device driver circuit and control method thereof Pei-Yuan Chen, Chia-Wei Liao, Jing-Meng Liu 2014-04-29
8659239 Circuit and method for providing absolute information for floating grounded integrated circuit Chia-Wei Liao, Roland Van Roy, Jing-Meng Liu 2014-02-25
8319444 Tail-less LED control circuit Chiawei Liao, Jing-Meng Liu 2012-11-27
8026676 Dimming control circuit Jing-Meng Liu, Chiawei Liao 2011-09-27