Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9288357 | Dual-slope light guide, light source module and optical assembly for scanner | Sung-Po Cheng | 2016-03-15 |
| 8300159 | Structure of pico projector | David Tsai | 2012-10-30 |
| 6768553 | Continuous-zoom imaging device of interferometer | Mang Ou-Yang, Shin-Maio Tseng, Kevin S.H. Kuo, Hsin-Chu Liu, I-Pen Chien +1 more | 2004-07-27 |
| 6637890 | Small reflective type liquid crystal projection device | Mang Ou-Yang, Jim Chung, I-Pen Chien | 2003-10-28 |
| 6525785 | Projection apparatus using L-shaped dichroic prism set having a cubically glass block juxtaposed to a dichroic prism for passing light beams without changing direction of the light beams | — | 2003-02-25 |
| 6402323 | Reflective type liquid crystal projection system | I-Pen Chien, Mang Ou-Yang, Chun-Lung Lai, Hsin-Chu Liu | 2002-06-11 |
| 5640778 | Apparatus and a method for measuring the curvature radii of spherical and cylindrical surfaces | Tai-San Liao, Sheng-Tsang Chang, Ching-Fen Kao | 1997-06-24 |