Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12356671 | Semiconductor device | Cheol Kim, Dong-Kwon Kim, Hyun Ho Jung | 2025-07-08 |
| 10423669 | Manufacturing process visualization apparatus and method | Cheol Hyung Cho, Hyun Jin BANG, Byung Hoon Lee | 2019-09-24 |
| 5062915 | Lumber door and method for manufacturing thereof | Seok-Gyu Yoon | 1991-11-05 |
| 4908990 | Lumber door and method for manufacturing thereof | Seok-Gyu Yoon | 1990-03-20 |