Issued Patents All Time
Showing 26–50 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7090348 | Method for designing spectacle lenses taking into account an individual's head and eye movement | Richard J. Nason, Amitava Gupta, Arkady Selenow, Kenneth J. Ciuffreda, George A. Zikos | 2006-08-15 |
| 6886938 | Progressive addition lenses with an additional zone | — | 2005-05-03 |
| 6883916 | Progressive addition lenses | — | 2005-04-26 |
| 6709105 | Progressive addition lenses | — | 2004-03-23 |
| 6554425 | Ophthalmic lenses for high order aberration correction and processes for production of the lenses | Jeffrey H. Roffman, Richard J. Nason | 2003-04-29 |
| 6505934 | Progressive addition lenses with prism power added to improve wearer comfort | — | 2003-01-14 |
| 6439870 | Apparatus for automated ophthalmic lens fabrication | Gary Marceau, Dan Boulay, Ivan M. Nunez, Charles Foster, Eric Dogan +9 more | 2002-08-27 |
| 6390623 | Customized progressive addition lenses | William Kokonaski, Daniel Katzman, Amitava Gupta | 2002-05-21 |
| 6231184 | Progressive addition lenses | Daniel Katzman, William Kokonaski | 2001-05-15 |
| 6199984 | Progressive addition lenses with varying power profiles | — | 2001-03-13 |
| 6149271 | Progressive addition lenses | James S. Merritt, William Kokonaski | 2000-11-21 |
| 6139148 | Progressive addition lenses having regressive surfaces | — | 2000-10-31 |
| 6123422 | Methods for producing progressive addition lenses | James S. Merritt, William Kokonaski | 2000-09-26 |
| 6106118 | Progressive addition lenses | Amitava Gupta, William Kokonaski | 2000-08-22 |
| 6086203 | Progressive addition lenses | Ronald D. Blum, Russell A. Chipman, Amitava Gupta | 2000-07-11 |
| 5861114 | Method of manufacturing complex optical designs in soft contact lenses | Jeffrey H. Roffman, Timothy A. Clutterbuck, Wallace Anthony Martin, Wybren Van Der Meulen, Kornelis Renkema +4 more | 1999-01-19 |
| 5847802 | Concentric annular ring lens designs for astigmatic presbyopes | Jeffrey H. Roffman | 1998-12-08 |
| 5835192 | Contact lenses and method of fitting contact lenses | Jeffrey H. Roffman, Yulin X. Lewis, Timothy R. Poling, Michel Guillon | 1998-11-10 |
| 5796462 | Aspheric toric lens designs | Jeffrey H. Roffman | 1998-08-18 |
| 5715031 | Concentric aspheric multifocal lens designs | Jeffrey H. Roffman | 1998-02-03 |
| 5702735 | Molding arrangement to achieve short mold cycle time | Wallace Anthony Martin, Wybren Van Der Meulen, Kornelis Renkema, Robert B. Phillips, Victor Lust +2 more | 1997-12-30 |
| 5684560 | Concentric ring single vision lens designs | Jeffrey H. Roffman | 1997-11-04 |
| 5682223 | Multifocal lens designs with intermediate optical powers | Jeffrey H. Roffman | 1997-10-28 |
| 5652638 | Concentric annular ring lens designs for astigmatism | Jeffrey H. Roffman | 1997-07-29 |
| 5650837 | Rotationally stable contact lens designs | Jeffrey H. Roffman, Timothy A. Clutterbuck, Yulin X. Lewis | 1997-07-22 |