Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11811453 | Upward collapse process and apparatus for making glass preforms | Qiulin Ma, Kai Huei Chang, Evan P. Green, Carl W. Ponader | 2023-11-07 |
| 11454580 | Method for preform or tube drawing based on its viscosity | Georges Levon FATTAL, Kai Huei Chang, Evan P. Green, Qiulin Ma | 2022-09-27 |
| 11405107 | Upward collapse process and apparatus for making glass preforms | Qiulin Ma, Kai Huei Chang, Evan P. Green, Carl W. Ponader | 2022-08-02 |
| 10590022 | Formation of elongated glass components with low bow using a gripper device | Georges Levon FATTAL, Oliver Ganz, Kai Huei Chang | 2020-03-17 |
| 10388028 | Apparatus and method for measurement of transparent cylindrical articles | Qiulin Ma, Evan P. Green | 2019-08-20 |