HC

Herlin Chang

DM Digipower Manufacturing: 2 patents #1 of 4Top 25%
📍 Xinwu District, TW: #1 of 2 inventorsTop 50%
Overall (2003): #65,319 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6577513 Lighting equipment built-in on-line uninterruptible power system capable of outputting AC sinusoidal power from a single DC source Min-Huang Huang 2003-06-10
6507273 Network-based remotely-controlled power switch device Ching Piao Lee 2003-01-14