Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668434 | Directly heated cathode for cathode ray tube | Chang-Seob Kim, Seok-bong Son, Bong-uk Jeong, Sang Kyun Kim | 1997-09-16 |
SS
Sang-uk Shin
Overall (1997): #80,748 of 185,788Top 45%
1
Patents 1997