Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7817212 | Laser video projector having multi-channel acousto-optic modulator, and method and circuit for driving the same | Jin Ho Lee | 2010-10-19 |
| 7585078 | Illumination system capable of eliminating laser speckle and projection system employing the same | Sung-ha Kim | 2009-09-08 |
| 7527384 | Illumination system to eliminate laser speckle and projection system employing the same | Sung-ha Kim | 2009-05-05 |
| 7433124 | Illumination system to eliminate laser speckle and a single-panel projection system employing the same | Sung-ha Kim | 2008-10-07 |
| 7184103 | Laser video projector having multi-channel acousto-optic modulator, and method and circuit for driving the same | Jin Ho Lee | 2007-02-27 |
| 7014318 | Light coupling device and image projection apparatus using the same | — | 2006-03-21 |
| 6910776 | Apparatus for image projecting having a matrix type of optical-switch | Chang-wan Hong | 2005-06-28 |
| 6870685 | Color separating device using dichroic mirror wheel and image projecting apparatus using the same | Chang-wan Hong | 2005-03-22 |
| 6865309 | Optical coupling device, method of producing the same, and optical apparatus using the same | — | 2005-03-08 |
| 6819468 | Image projection apparatus and method | — | 2004-11-16 |
| 6799850 | Image projecting apparatus having optical switch | Chang-wan Hong | 2004-10-05 |
| 6796689 | Image projection apparatus and method | — | 2004-09-28 |
| 6793345 | Apparatus and method for image projection using dichroic mirror wheel | — | 2004-09-21 |
| 6733135 | Image projection apparatus | — | 2004-05-11 |