Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7981591 | Semiconductor buried grating fabrication method | Yabo Li, Nicholas John Visovsky, Chung-En Zah | 2011-07-19 |
| 7723139 | Quantum well intermixing | Yabo Li, Chung-En Zah | 2010-05-25 |