Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7488235 | Polishing apparatus and related polishing methods | Moo-Yong Park, Sang-rok Hah, Hong-Seong Son, Ja-Hyung Han | 2009-02-10 |
| 7066785 | Polishing apparatus and related polishing methods | Moo-Yong Park, Sang-rok Hah, Hong-Seong Son, Ja-Hyung Han | 2006-06-27 |