Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11774783 | High performance selective light wavelength filtering providing improved contrast sensitivity | Andrew W. Ishak, Ronald D. Blum, Sean P. McGinnis | 2023-10-03 |
| 11701315 | High energy visible light filter systems with yellowness index values | Andrew W. Ishak, Sean P. McGinnis, Ronald D. Blum | 2023-07-18 |
| 10610472 | High energy visible light filter systems with yellowness index values | Andrew W. Ishak, Sean P. McGinnis, Ronald D. Blum | 2020-04-07 |
| 10551637 | High performance selective light wavelength filtering providing improved contrast sensitivity | Andrew W. Ishak, Ronald D. Blum, Sean P. McGinnis | 2020-02-04 |
| 9927635 | High performance selective light wavelength filtering providing improved contrast sensitivity | Andrew W. Ishak, Ronald D. Blum, Sean P. McGinnis | 2018-03-27 |
| 9814658 | High energy visible light filter systems with yellowness index values | Andrew W. Ishak, Sean P. McGinnis, Ronald D. Blum | 2017-11-14 |
| 9377569 | Photochromic ophthalmic systems that selectively filter specific blue light wavelengths | Andrew W. Ishak, Joshua N. Haddock, William Kokonaski, Dwight P. Duston, Venkatramani S. Iyer +2 more | 2016-06-28 |
| 9063349 | High performance selective light wavelength filtering | Andrew W. Ishak, Ronald D. Blum, Peter D. Haaland, D. James Schumer | 2015-06-23 |
| 8882267 | High energy visible light filter systems with yellowness index values | Andrew W. Ishak, Sean P. McGinnis, Ronald D. Blum | 2014-11-11 |
| 8360574 | High performance selective light wavelength filtering providing improved contrast sensitivity | Andrew W. Ishak, Joshua N. Haddock, William Kokonaski, Dwight P. Duston, Venkatramani S. Iyer +2 more | 2013-01-29 |
| 8113651 | High performance corneal inlay | Ronald D. Blum, Andrew W. Ishak, Peter D. Haaland, D. James Schumer | 2012-02-14 |