Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12226845 | Apparatus and method for cleaning oxide film | Yoon Sang Lee, Jae Yun Shin, Sang-Myung Cho, Hyo Jin Baek, Chang-Ik Lee +2 more | 2025-02-18 |
| 9551528 | Dispensing device for welding rod dryer | Eun Jong Oh | 2017-01-24 |