Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11931861 | Wafer grinding wheel | Sang-Il Choi, Chang Su Jeong, Tae-Gyu Kang | 2024-03-19 |
| 11232987 | Method for fabricating a semiconductor device | Sang-Il Choi, Hee Seok Nho, Tae-Gyu Kang | 2022-01-25 |