Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398486 | Method and system for vertical gradient freeze 8 inch gallium arsenide substrates | Weiguo Liu, Wei Zhang | 2025-08-26 |
| 12336319 | Germanium single-crystal wafer, method for preparing germanium single-crystal wafer, method for preparing crystal bar, and use of single-crystal wafer | Yuanli Wang, Weiguo Liu, Yvonne Zhou, Sung-Nee George Chu | 2025-06-17 |
| 12276044 | Low etch pit density gallium arsenide crystals with boron dopant | Weiguo Liu, Morris Young | 2025-04-15 |
| 12084790 | Low etch pit density 6 inch semi-insulating gallium arsenide wafers | Weiguo Liu, Morris Young | 2024-09-10 |
| 11680340 | Low etch pit density 6 inch semi-insulating gallium arsenide wafers | Weiguo Liu, Morris Young | 2023-06-20 |
| 11127867 | Monocrystalline germanium wafers, method for preparing the same, method for preparing ingots and use of monocrystalline wafers | Yuanli Wang, Yvonne Zhou, Weiguo Liu, Sung-Nee George Chu | 2021-09-21 |