Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6918931 | Prepolymers with yellow dye moiety | Yu-Chin Lai | 2005-07-19 |
| 6913715 | Lens molds with protective coatings for production of contact lenses and other ophthalmic products | Hongwen Li, Yu-Chin Lai, Horngyih Huang | 2005-07-05 |