Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11327211 | Asymmetric transmission film | Jin Suk Song, Sang Choll Han, Byung Mook Kim, Bum Woo Lee | 2022-05-10 |
| 9775236 | Method of manufacturing a transparent substrate | Sang Choll Han, Byong-Mook Kim | 2017-09-26 |