Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE48029 | WDM multiplexing/de-multiplexing system and the manufacturing method thereof | Yung-Cheng Chang, Ken Kuo | 2020-06-02 |
| 9229167 | WDM multiplexing/de-multiplexing system and the manufacturing method thereof | Yung-Cheng Chang, Ken Kuo | 2016-01-05 |