Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9322526 | Optical device for semiconductor based lamp | Yun-Yuan Chu | 2016-04-26 |
| 9052082 | Optical device for semiconductor based lamp | Yun-Yuan Chu | 2015-06-09 |
| 8390017 | Optical device for semiconductor based lamp | — | 2013-03-05 |
| 8324645 | Optical device for semiconductor based lamp | Yun-Yuan Chu | 2012-12-04 |
| 5821528 | Two light intensities difference convert into frequency modulator for parallel photodiodes | Tai-Shan Liao, Jui-I Tsai, Mang Ou Yang, Yung-Fu Chen, Ming-Li Chen | 1998-10-13 |
| 5720845 | Wafer polisher head used for chemical-mechanical polishing and endpoint detection | — | 1998-02-24 |