Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11840472 | Elongation method and preform for producing an optical glass component | Qiulin Ma, Kai Huei Chang | 2023-12-12 |
| 11811453 | Upward collapse process and apparatus for making glass preforms | Qiulin Ma, Kai Huei Chang, James E. Beavers, Jr., Carl W. Ponader | 2023-11-07 |
| 11618708 | Elongation method and preform for producing an optical glass component | Qiulin Ma, Kai Huei Chang | 2023-04-04 |