Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8791026 | Method and apparatus for treating silicon substrate | Seung Il Chang | 2014-07-29 |
| 5516371 | Method of manufacturing magnets | Yoon-Bae Kim, Chang Suk KIM, Tai-Seung Chung | 1996-05-14 |