Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9106137 | Direct current voltage generating apparatus for generating stable DC voltages | ZHI-YONG GAO, YU-LIN LIU | 2015-08-11 |
| 9071131 | Conversion system for multi direct current voltage | ZHI-YONG GAO, YU-LIN LIU | 2015-06-30 |