Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11226548 | Polarizing preserving front projection screen with protrusions | — | 2022-01-18 |
| 7543940 | Virtual input element image projection apparatus | Ying-Tsung Lu | 2009-06-09 |
| 7251412 | Backlight modules using diffraction optical elements | Ying-Tsung Lu, Pong Lai, Chang-Sheng Chu | 2007-07-31 |
| 7224541 | Zoom lens | Chir-Weei Chang | 2007-05-29 |
| 7113690 | Anti-counterfeit method and system by using a nano metal grating | Pong Lai, Ying-Tsung Lu | 2006-09-26 |
| 6823113 | Grating interference device with adjustable resolution | Ying-Tsung Lu | 2004-11-23 |
| 6701045 | Planar optical waveguide dense wavelength division multiplexer | Ying-Tsung Lu, Eric G. Lean | 2004-03-02 |