Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428062 | Rear structure for a vehicle | Sung Hun Kim, Sung Woo Kim | 2025-09-30 |
| 11648988 | Rear structure for vehicle | Sung Hun Kim | 2023-05-16 |
| 7878039 | Channel letter machine and method thereof | Man-Sik Cho, Sang Moo Lee, Byoung-Young Song | 2011-02-01 |
| 7441434 | Channel letter machine and method thereof | Man-Sik Cho, Sang Moo Lee, Byoung-Young Song | 2008-10-28 |