Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6061187 | Zoom lens system with a high zoom ratio | — | 2000-05-09 |
| 5956185 | Compact camera zoom lens system | — | 1999-09-21 |
| 5900991 | Compact wide-angle zoom lens system | — | 1999-05-04 |
| 5726811 | Compact zoom lens system | Hae Jin Lee | 1998-03-10 |
| 5726746 | Automatic inspection system for camera lenses and method thereof using a line charge coupled device | Heui-Jae Park, Seok-Won Lee, Ho-Gyun Moon | 1998-03-10 |
| 5636061 | Zoom lens | — | 1997-06-03 |
| 5617253 | Zoom lens | — | 1997-04-01 |
| 5548450 | Device for adjusting air gap between lenses | — | 1996-08-20 |