Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5726373 | Video-song accompaniment apparatus using a compact disc as a recording medium | Kwang-Sik Choi | 1998-03-10 |
| 5706438 | Data transmission device for transmitting converted data at a controlled transmission rate | Hong-Soon Park | 1998-01-06 |
| 5654944 | Method for reproducing a reserved program and compact disc player employing the same | Deok-hyun Lee | 1997-08-05 |
| 5633688 | Image superimposing apparatus for superimposing the encoded color televison signal with the external composite video signal | Bong-hun Song, Kwang-Sik Choi | 1997-05-27 |
| 5617386 | CD player for reproducing signals from CD-OK and video CD | — | 1997-04-01 |
| 5598224 | Circuit for superimposing text on an image | — | 1997-01-28 |
| 5561649 | Disk recording medium and reproduction method and apparatus thereof | Rae-hwan Lee, Hwa-jin Jeon, Kwang-Sik Choi, Hong-Soon Park, Sang-hwa Yun +5 more | 1996-10-01 |
| 5546368 | Disk recording medium and reproduction method and apparatus thereof | Rae-hwan Lee, Hwa-jin Jeon, Kwang-Sik Choi, Hong-Soon Park, Sang-hwa Yun +5 more | 1996-08-13 |