Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9736346 | Imaging system improving image resolution of the system with low resolution image sensor | Gyoung Il Cho, Cheong Soo Seo | 2017-08-15 |
| 7898144 | Multi-step microactuator providing multi-step displacement to a controlled object | Cheong Soo Seo, Gyoung Il Cho | 2011-03-01 |
| 7751694 | Three-dimensional endoscope imaging and display system | Gyoung Il Cho, Cheong Soo Seo | 2010-07-06 |
| 7667896 | DVD recording and reproducing system | Cheong Soo Seo, Gyoung Il Cho | 2010-02-23 |
| 7619614 | Three-dimensional optical mouse system | Gyoung Il Cho, Cheong Soo Seo | 2009-11-17 |
| 7619807 | Micromirror array lens with optical surface profiles | Jin Young Sohn, Gyoung Il Cho, Cheong Soo Seo | 2009-11-17 |
| 7580178 | Image-guided microsurgery system and method | Gyoung Il Cho, Cheong Soo Seo | 2009-08-25 |
| 7489434 | Hybrid micromirror array lens for reducing chromatic aberration | Gyoung Il Cho, Jin Young Sohn, Cheong Soo Seo | 2009-02-10 |
| 7410266 | Three-dimensional imaging system for robot vision | Cheong Soo Seo, Gyoung Il Cho | 2008-08-12 |
| 7350922 | Three-dimensional display using variable focal length micromirror array lens | Cheong Soo Seo, Gyoung Il Cho | 2008-04-01 |
| 7339746 | Small and fast zoom system using micromirror array lens | Hye Young Kim, Jin Young Sohn, Gyoung Il Cho, Chenong Soo Seo | 2008-03-04 |
| 7274517 | Micromirror array lens with focal length gradient | Gyoung Il Cho, Cheong Soo Seo | 2007-09-25 |
| 7267447 | Variable focal length lens comprising micromirrors | Tae Hyeon Kim | 2007-09-11 |
| 7236289 | Fast optical shutter using micromirror motion | Gyoung Il Cho, Cheong Soo Seo | 2007-06-26 |
| 7161729 | Array of micromirror array lenses | Tae Hyeon Kim | 2007-01-09 |
| 7077523 | Three-dimensional display using variable focusing lens | Cheong Soo Seo, Dong Woo Gim, Gyoung Il Cho, James Greenup Boyd | 2006-07-18 |
| 7057826 | Small and fast zoom system | Gyoung Il Cho, Dong Woo Gim, Cheong Soo Seo, James Greenup Boyd | 2006-06-06 |
| 7031046 | Variable focal length lens comprising micromirrors with two degrees of freedom rotation | Tae Hyeon Kim | 2006-04-18 |
| 6999226 | Variable focal length lens comprising micromirrors with one degree of freedom translation | Tae Hyeon Kim | 2006-02-14 |
| 6970284 | Variable focusing lens comprising micromirrors with one degree of freedom rotation | Tae Hyeon Kim | 2005-11-29 |
| 6934072 | Variable focal length lens comprising micromirrors with two degrees of freedom rotation and one degree of freedom translation | Tae Hyeon Kim | 2005-08-23 |
| 6934073 | Variable focal length lens comprising micromirrors with one degrees of freedom rotation and one degree of freedom translation | Tae Hyeon Kim | 2005-08-23 |