Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7370198 | Total system for preventing information outflow from inside | Jong Sung Lee | 2008-05-06 |
| 6009526 | Information security system for tracing the information outflow and a method for tracing the same | — | 1999-12-28 |
| 5276570 | X-distance compensating circuit for adjusting head-switching time by controlling the synchronization of record and playback control pulses to/from a magnetic tape of a magnetic recording/reproducing apparatus | Kwon Hong | 1994-01-04 |