IC

Isaac Y. Chen

RT Richtek Technology: 99 patents #1 of 459Top 1%
RT Ricktek Technology: 1 patents #1 of 16Top 7%
Overall (All Time): #13,102 of 4,157,543Top 1%
105
Patents All Time

Issued Patents All Time

Showing 25 most recent of 105 patents

Patent #TitleCo-InventorsDate
12395127 Audio amplifier with feedback control 2025-08-19
12266913 Abnormal current protection device and abnormal current protection method 2025-04-01
12267072 Electronic device and method for audio signal processing Chih-Sheng Chang 2025-04-01
12237834 Electronic device and method for overcurrent detection Chih-Sheng Chang 2025-02-25
11303218 Low delay time power converter circuit and driver circuit thereof Chien-Fu Tang, Jo-Yu Wang 2022-04-12
11297702 Dimmer interface circuit and buffer stage circuit thereof Yu-Wen Chang, Leng-Nien Hsiu 2022-04-05
11169179 Current sensing circuit having self calibration Chien-Fu Tang, Hsin-Yi Wu, Kai-Chuan Chan, Yu-Lin Yang 2021-11-09
10980090 Light emitting device driving apparatus and dimming control circuit and dimming control method thereof Yu-Min Chen, Leng-Nien Hsiu 2021-04-13
10972090 Output stage circuit for transmitting data via bus Yu-Wen Chang, Leng-Nien Hsiu 2021-04-06
10804883 Power supply apparatus and master power supply circuit, slave power supply circuit and control method thereof Yi-Wei Lee 2020-10-13
10686383 Power control circuit, pulse signal detection circuit, and pulse signal detection method Li-Di Lo, Chien-Fu Tang 2020-06-16
10629270 Memory circuit having pseudo ground Yin-Chang Chen 2020-04-21
10587312 Transmission interface having noise reduction function Tong-Cheng Jao, Yi-Wei Lee 2020-03-10
10505464 Communication protocol circuit and discrete-time current sense circuit and method thereof Chien-Fu Tang, Hsin-Yi Wu 2019-12-10
10498254 Power conversion device, slow soft-startup circuit, and power conversion chip Jyun-Che Ho, Yi-Wei Lee 2019-12-03
10476374 Power supply system and short circuit and/or bad connection detection method thereof, and power converter thereof Yi-Min Shiu 2019-11-12
10461652 Flyback power converter and secondary side control circuit thereof Chien-Fu Tang, Jo-Yu Wang 2019-10-29
10461624 Power switch control circuit and open detection method thereof Pei-Sheng Tsu, Chien-Fu Tang 2019-10-29
10355612 Flyback power converter circuit and secondary side controller circuit thereof Chien-Fu Tang, Su-Yuan Lin, Yi-Wei Lee 2019-07-16
10326351 Switching regulator and control circuit thereof Li-Di Lo, Chien-Fu Tang 2019-06-18
10312818 Control circuit and method for programming an output voltage of a power converter 2019-06-04
10312819 Control circuit and method for programming an output voltage of a power converter 2019-06-04
10291137 Flyback power converter circuit and high voltage start-up circuit thereof Chien-Fu Tang, Tzu-Chen Lin, Kun-Yu Lin, Li-Yang Hsiao, Yung-Chih Lai 2019-05-14
10236781 Control circuit and method for programming an output voltage of a power converter 2019-03-19
10181785 Power supply system and short circuit and/or bad connection detection method thereof, and power converter thereof Yi-Min Shiu 2019-01-15