Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8349126 | Apparatus for etching edge of wafer | Chong-Kwang Chang, In-Keun Lee, Hyo Jeong Kim | 2013-01-08 |
OC
Oh-Sang Cho
Overall (All Time): #3,142,794 of 4,157,543Top 80%
1
Patents All Time