YL

Yung-Chuan Lu

DE Delta Electronics: 12 patents #117 of 2,746Top 5%
Overall (All Time): #398,444 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12408248 LED power supply Ching-Ho Chou 2025-09-02
12349247 LED power supply equipment with bi-level dimming Ching-Ho Chou 2025-07-01
11991797 LED power supply with bi-level dimming and bi-level dimming method Ching-Ho Chou 2024-05-21
11646655 LLC resonant converter and control method thereof Ching-Ho Chou 2023-05-09
11388800 Power supply for light-emitting diode and operating method thereof Ching-Ho Chou 2022-07-12
10152068 Electrical ballast and driving method thereof Ching-Ho Chou 2018-12-11
9648690 Dimmable instant-start ballast Ching-Ho Chou 2017-05-09
9544980 Driving device and illumination system Ching-Ho Chou, Yen-Yu Chen 2017-01-10
9426869 Multi-output electronic ballast Ching-Ho Chou 2016-08-23
9232619 Fluorescent electronic ballast Ching-Ho Chou, Yen-Yu Chen 2016-01-05
8760059 Current-preheat electronic ballast and resonant capacitor adjusting circuit thereof Ching-Ho Chou 2014-06-24
8378592 End of lamp life protection circuit with bi-level detections for the electronic ballast and method thereof Ching-Ho Chou, Edy Chandra, Chao-Wei Tsai 2013-02-19