Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6717342 | Shadow mask in color CRT | Sang Mun Kim, Yoon Lae Cho | 2004-04-06 |
| 6171457 | Method of fabricating low resistance, anti-reflection CRT | — | 2001-01-09 |
| 5747921 | Impregnation type cathode for a cathodic ray tube | — | 1998-05-05 |