Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623597 | Focus ring and apparatus for processing a semiconductor wafer comprising the same | Guk-Kwang Kim, Yun-Sik Yang, Byeung-Wook Choi | 2003-09-23 |
OH
Oh-Yeon Han
Overall (All Time): #3,523,590 of 4,157,543Top 85%
1
Patents All Time