Issued Patents All Time
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 (All Time): #3,724,968 of 4,157,543Top 90%
1
Patents All Time