Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8270089 | Thermoplastic polyurethane lenses with a specified weight percentage of urethane repeating units | Hao-Wen Chiu, Leanirith Yean | 2012-09-18 |
| 7854865 | Method of injection molding thin thermoplastic lenses | Hao-Wen Chiu, Hsinjin Yang | 2010-12-21 |