Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7265911 | Zoom lens system having variable power element | John N. Border, David W. Sandford | 2007-09-04 |
| 6377404 | Reverse telephoto zoom lens | — | 2002-04-23 |
| 6151171 | Zoom assembly having zoom lens with plurality of lens group that move together or differentially for zooming and focusing | Michael Kenin, James Schmieder, Mark D. Bedzyk, Dean A. Johnson | 2000-11-21 |
| 5999330 | Zoom lens | — | 1999-12-07 |
| 5966247 | Compact zoom lens | Kazunaga Shimizu | 1999-10-12 |
| 5886829 | Compact zoom lens with a large zoom ratio | — | 1999-03-23 |
| 5604637 | Zoom lens | — | 1997-02-18 |
| 5589989 | Compact objective lens system | Lee R. Estelle | 1996-12-31 |
| 5572369 | Triplet-type lens for use in a compact photographic camera | Lee R. Estelle | 1996-11-05 |
| 5500703 | Real image zoom viewfinder | Lee R. Estelle | 1996-03-19 |
| 4991946 | Finite conjugate projection lens system | Lee R. Estelle | 1991-02-12 |