Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6373178 | Electron gun for color cathode ray tube | Sung Ho Cho, Hyun Cheol KIM, Won Hyun Kim, Gill-Young Jung, Tae-Kyu Kim +1 more | 2002-04-16 |
| 6051920 | Focusing electrode in electron gun for color cathode ray tube | Hyun Cheol KIM | 2000-04-18 |
| 5492226 | Apparatus for sorting and feeding bead supporters for an electrode gun of a cathode-ray tube | Cheol H. Hwang | 1996-02-20 |