Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8564212 | Appropriate LED arrangement and power need in large-scale LED display and lighting apparatus and method thereof | Guan-Chyun Hsieh | 2013-10-22 |
| 5844398 | Automatic battery charging system using lowest charge current detection | Hing-Hin Kwan, Yao-Ching Chen, Shu-Chin Chen, Chun-Sheng Wang | 1998-12-01 |