Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870507 | Video tape recorder system | Jong-Ahn Kim, Jong-Kwan Paik, Hee-Chul Gong | 1989-09-26 |
JA
Jung-ku Ahn
Overall (All Time): #3,938,920 of 4,157,543Top 95%
1
Patents All Time