Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9397296 | Method of manufacturing organic light emitting display apparatus | — | 2016-07-19 |
| 8574367 | Evaporation source | Seuk-Hwan Park, Kyung-Hoon Chung, Yoon Sang Kwon, Hyung Min Kim | 2013-11-05 |
| 7339182 | Vacuum evaporator | Seoung-Yoon Ryu | 2008-03-04 |