Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11319508 | Cleaning composition for removing oxide and method of cleaning using the cleaning composition | Kyuhwan Hwang, Inho Kong, Changsub Kim, Hotae Kim, Jaehwan Jin +1 more | 2022-05-03 |
| 11306386 | Mask repairing apparatus and mask repairing method | Youngmin Moon, Jungwoo Ko, Sangmin Lee, Youngchul Lee, Kyuhwan Hwang | 2022-04-19 |