Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9723681 | LED lamp system with different color temperatures and various operation modes | Hsiao Chang Tsai | 2017-08-01 |
| 9408264 | Lamp system realizing various ways for controlling lighting up thereof | Hsiao Chang Tsai | 2016-08-02 |