Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9806463 | Grounding type elbow connector having electroscope therein | Jong Min Joo, Sea Jun Lee, Chung Mo Je, Kyoung Sun Choi, Jin Sub An | 2017-10-31 |
| 5771128 | Edit recording method and apparatus using erase head control | — | 1998-06-23 |
| 4935826 | Automatic tracking device for video cassette tape recorder | Yong H. Sin | 1990-06-19 |