Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8815616 | Slit valve unit and film forming apparatus having the same | Sang Kyu Bang, Choo-ho KIM, Won Soo JI | 2014-08-26 |
SK
Sung Don Kwak
Overall (All Time): #3,122,162 of 4,157,543Top 80%
1
Patents All Time