Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5548184 | Oxide cathode employing Ba evaporation restraining layer | Kwi-Seok Choi, Jong-Seo Choi, Gyu-nam Ju, Sang Won Lee | 1996-08-20 |
| 5519280 | Oxide cathode | Jong-Seo Choi, Kwi-Seok Choi, Gyu-nam Ju, Sang Won Lee | 1996-05-21 |
| 5092805 | Manufacturing method for dispenser code | — | 1992-03-03 |