HC

Hung-Chuan Cheng

DE Darfon Electronics: 4 patents #47 of 225Top 25%
Overall (All Time): #1,150,894 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10895372 Light source board, manufacturing method thereof, and luminous keyboard using the same Heng-Yi Huang, Hsin-Cheng Ho, Tsai-Yu Chen 2021-01-19
10727009 Light source board, manufacturing method thereof, and luminous keyboard using the same Heng-Yi Huang, Hsin-Cheng Ho, Tsai-Yu Chen 2020-07-28
10720289 Light emitting keyboard and lighting board thereof Hsin-Cheng Ho, Heng-Yi Huang, Tsai-Yu Chen, Yang-Cheng Wu 2020-07-21
10692663 Light source board, manufacturing method thereof, and luminous keyboard using the same Heng-Yi Huang, Hsin-Cheng Ho, Tsai-Yu Chen 2020-06-23