Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11648644 | Polishing pad conditioning apparatus | Eun-Seok Lee, Ja-Eung Koo, Jeong Min Na, Chang-Gil Ryu, Hyeon Dong SONG +2 more | 2023-05-16 |
| 8128738 | Method of drying an object and apparatus for performing the same | In-Gi Kim, Dae-Bum Park, Soung-Kil Ryu, Seung-Bu Baek, Seo Hyun Kim | 2012-03-06 |