Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5841224 | Second grid for an electron gun having apertures and rotary asymmetrical portions facing the first and third grids | Won Hyun Kim, Hee Won Yun, Hyun-Chul Kim, Sung Ho Cho, Sung Ki AHN | 1998-11-24 |