Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922820 | Heating crucible and deposition apparatus including the same | Seoung-Yoon Ryu, Kyong-Tac Yu | 2011-04-12 |
SM
Sung-Rag Ma
Overall (All Time): #3,246,509 of 4,157,543Top 80%
1
Patents All Time