Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9975302 | Primer layer coating compositions | — | 2018-05-22 |
| 9453950 | Photochromic coating process | Kathy Wai Yuen Wong, David Lewis, Bohdan Grzegorz Cieslinski, Huan Kiak Toh | 2016-09-27 |
| 9057820 | Thiourethane-based lens elements and processes for their production | — | 2015-06-16 |
| 8576471 | Liquid casting compositions, production processes and photochromic optical elements | — | 2013-11-05 |
| 8550623 | Coatings for ophthalmic lens elements | Nadine Genevieve Marechal | 2013-10-08 |
| 8106108 | Ultraviolet light absorbing optical elements and compositions and methods for manufacture | — | 2012-01-31 |
| 7495865 | Adhesion layer for protective overcoat | Joel William Hoehn, Yongping Gong | 2009-02-24 |
| 6860600 | Edge coated ophthalmic lenses | — | 2005-03-01 |
| 6811830 | Photochromic article and method of preparation | Huan Kiak Toh, David Lewis, Raymond K. Bubner, Bohdan Gieslinski | 2004-11-02 |
| D481050 | Lens | David Lawrence Carr | 2003-10-21 |
| D480739 | Lens | David Lawrence Carr | 2003-10-14 |
| D480740 | Lens | David Lawrence Carr | 2003-10-14 |
| 6551710 | Coating composition | Huan Kiak Toh, Mark Fisher, Matthew John Cuthbertson | 2003-04-22 |
| 6172140 | Acrylic thio monomers | Huan Kiak Toh, Chong M. Kok | 2001-01-09 |
| 6153663 | UV curable high index vinyl esters | Huan Kiak Toh | 2000-11-28 |
| 4329659 | Feedback control of lasers in fiber optic systems | — | 1982-05-11 |
| 4277846 | Circuit for stabilizing the output of an injection laser | — | 1981-07-07 |