Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8817246 | Lens test device and method | Chih Wei Tan | 2014-08-26 |
| 8169603 | Lens-testing apparatus and lens-testing method having a plurality of combinations of object distances | Chang Yuan Lee, Chungying Kuo | 2012-05-01 |
| 7869017 | Test apparatus and test method having a plurality of combinations of object distances | Chang Yuan Lee | 2011-01-11 |