Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6705020 | Method of and apparatus for use in orienting an object at a reference angle | Gyeong-Su Keum, Hyung-Sik Hong, Yun-Sik Yang, Gum-Chan An, Hae-Keun Youn +1 more | 2004-03-16 |
| 6281512 | Ion implantation system having direct and alternating current sources | — | 2001-08-28 |