Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11124893 | Method of treating a single crystal silicon ingot to improve the LLS ring/core pattern | Wonjin Choi, JunHwan Ji, Junghan Kim, YoungJung Lee, Chanrae Cho | 2021-09-21 |
| 11085126 | Systems for selectively feeding chunk polysilicon or granular polysilicon in a crystal growth chamber | Seok Min Yun, Seong Su Park, Jun Hwan Ji, Won-Jin Choi, Young Jung Lee +2 more | 2021-08-10 |
| 10577717 | Systems for selectively feeding chunk polysilicon or granular polysilicon in a crystal growth chamber | Seok Min Yun, Seong Su Park, Jun Hwan Ji, Won-Jin Choi, Young Jung Lee +2 more | 2020-03-03 |
| 10273596 | Systems for selectively feeding chunk polysilicon or granular polysilicon in a crystal growth chamber | Seok Min Yun, Seong Su Park, Jun Hwan Ji, Won-Jin Choi, Young Jung Lee +2 more | 2019-04-30 |