Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5905332 | Electron gun for color cathode ray tube | Hak-Cheol Yang | 1999-05-18 |
| 5739629 | Electron gun for color cathode ray tube providing two electron beam cross over points | Hak-Cheol Yang | 1998-04-14 |
| 5600201 | Electron gun for a color cathode ray tube | Heon Chang Kim, Han-Shin Do, Il Tae Kim | 1997-02-04 |
| 5394053 | Electron gun for a color cathode ray tube | — | 1995-02-28 |