Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12287581 | Method of manufacturing semiconductor devices using a photomask | Chung-Hao Chang, Ming-Wei Chen, Ching-Yueh Chen | 2025-04-29 |
| 9631796 | Illumination unit for medical use and illumination device for medical use | Xuguang Cao, Jun Liu | 2017-04-25 |
| 9587801 | Zoom unit, a light engine having the zoom unit and an illuminating apparatus | WeiHuang Chen, SiXiong Zeng, Haiqiang Zhong | 2017-03-07 |