Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11904230 | Device for inputting and controlling driving state information of billiard ball | Chul Hoon PARK | 2024-02-20 |
| 11281093 | Systems and methods using mask pattern measurements performed with compensated light signals | Dong Gun Lee, Hee-Bom Kim | 2022-03-22 |
| 11061322 | Systems and methods using mask pattern measurements performed with compensated light signals | Dong Gun Lee, Hee-Bom Kim | 2021-07-13 |
| 9897554 | Method of inspecting surface and method of inspecting photomask using the same | Dong Gun Lee, Byung-Gook Kim, Rae-won Yi | 2018-02-20 |