Issued Patents All Time
Showing 26–50 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7762673 | Illumination system to eliminate laser speckle and projection system employing the same | Sang-whoo Dho | 2010-07-27 |
| 7585078 | Illumination system capable of eliminating laser speckle and projection system employing the same | Sang-whoe Dho | 2009-09-08 |
| 7527384 | Illumination system to eliminate laser speckle and projection system employing the same | Sang-whoe Dho | 2009-05-05 |
| 7516894 | Laser display apparatus | Soo-Young Kim, Dong-bum Choi | 2009-04-14 |
| 7491164 | Inflatable prosthesis for aiding penile erection and augmentation | Hyung Ki Choi, Hyun Choi | 2009-02-17 |
| D579035 | Public service robot | Seog-Guen Kim, Ki-cheol Park, Yong Jae Kim, Yeon Taek Oh, Won-jun Koh | 2008-10-21 |
| 7433124 | Illumination system to eliminate laser speckle and a single-panel projection system employing the same | Sang-whoe Dho | 2008-10-07 |
| 7393106 | Color filter unit and projection system employing the same | Dong Ha Kim, Ju-seong Hwang | 2008-07-01 |
| D563443 | Public service robot | Sung Jin Ahn, Yeon Taek Oh, Ki-cheol Park, Yong Jae Kim, Won-jun Koh | 2008-03-04 |
| 7327410 | High resolution 3-D image display with liquid crystal shutter array | Kun-ho Cho, Dao-sik Kim, Hee-joong Lee | 2008-02-05 |
| 7327409 | Projection type image display system capable of color scrolling | Dae-sik Kim, Kun-ho Cho, Hee-joong Lee | 2008-02-05 |
| 7298556 | Illuminating optical system, image display apparatus using same and image display method | Kun-ho Cho, Dae-sik Kim, Hee-joong Lee | 2007-11-20 |
| 7287858 | Color separating unit and projection type image display apparatus employing the same | Dae-sik Kim, Kun-ho Cho | 2007-10-30 |
| 7241027 | Illumination system providing light of Gaussian distribution, projection system, and method of forming color image | Kun-ho Cho, Dae-sik Kim, Hee-joong Lee | 2007-07-10 |
| 7226169 | Projection system using spatial filter | Dae-sik Kim, Kun-ho Cho, Hee-joong Lee | 2007-06-05 |
| 7210787 | High efficiency projection system and method of forming color image using the same | Dae-sik Kim, Kun-ho Cho | 2007-05-01 |
| 7177084 | Optical combining device | Dae-sik Kim, Kun-ho Cho | 2007-02-13 |
| 7175280 | Projection display with polarization beam splitter | Kun-ho Cho, Dae-sik Kim, Hee-joong Lee | 2007-02-13 |
| 7150532 | Projection system with scrolling unit | Kun-ho Cho, Dae-sik Kim, Hee-joong Lee | 2006-12-19 |
| 7140737 | Projection system using spatial filter | Dae-sik Kim, Kun-ho Cho, Hee-joong Lee | 2006-11-28 |
| 7131734 | Projection system using spatial filter | Dae-sik Kim, Kun-ho Cho, Hee-joong Lee | 2006-11-07 |
| 7119964 | Color illuminating system and projection type image display apparatus using the same | Dae-sik Kim, Kun-ho Cho, Hee-joong Lee | 2006-10-10 |
| 7113343 | Optical combining device | Dae-sik Kim, Kun-ho Cho | 2006-09-26 |
| 7104651 | Color scrollable projection system | Dae-sik Kim, Kun-ho Cho, Hee-joong Lee | 2006-09-12 |
| 7097308 | Highly efficient projection system | Dae-sik Kim, Kun-ho Cho, Hee-joong Lee | 2006-08-29 |