Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6903336 | Polarity exchanger and ion implanter having the same | Gyeong-Su Keum, Hyung-Sik Hong, Kyue-sang Choi, Chung-Hun Park | 2005-06-07 |
GS
Gum-Hyun Shin
Overall (All Time): #3,450,776 of 4,157,543Top 85%
1
Patents All Time