Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8525815 | Optical touch system with display screen | Cheng-Yi Lai | 2013-09-03 |
| 8482865 | Image lens with high resolution, low chromatic aberration, and long flange back distance | — | 2013-07-09 |
| 8456759 | Lens system with reduced length, wide view angle, and high resolution | — | 2013-06-04 |
| 8456761 | Lens system | — | 2013-06-04 |
| 8456760 | Lens system with high resolution, low chromatic aberration, and long flange back | — | 2013-06-04 |
| 8405829 | Portable electronic device and method for testing polarizing ability of glass using the same | — | 2013-03-26 |
| 8363173 | Optical touch screen device and related hand-writing system | Tsung-Heng Chang, Chi-Wei Chiu | 2013-01-29 |
| 8350828 | Touch screen apparatus with reflector | — | 2013-01-08 |
| 8319753 | Optical pen and optical touch system with same | — | 2012-11-27 |
| 8320061 | Lens system having wide-angle, high resolution, and large aperture | — | 2012-11-27 |
| 8270099 | Compact lens system | — | 2012-09-18 |
| 8246228 | Light guide ring unit and backlight module using the same | — | 2012-08-21 |
| 8059348 | Lens adapter ring and lens module | — | 2011-11-15 |
| 7990634 | Lens module with grooved barrel | — | 2011-08-02 |