Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9383651 | Maskless exposure device | Hi-Kuk Lee, Chang Hoon Kim, Ki-Beom Lee, Su-Yeon Sim, Sang Hyun Lee | 2016-07-05 |
| 9304402 | Light exposure apparatus and method of controlling the same | Hong-Suk Yoo, Chang Hoon Kim | 2016-04-05 |
| 9298098 | Exposure apparatus and method of configuring exposure apparatus | Chang Hoon Kim, Kab Jong SEO | 2016-03-29 |
| 9007564 | Exposure apparatus including light blocking member with light condensing part | Chang Hoon Kim, Kab Jong SEO, Hi-Kuk Lee | 2015-04-14 |
| 4904059 | Liquid crystal display element having a nonconducting layer of particular index of refraction | — | 1990-02-27 |
| 4805995 | Liquid crystal display with small carbon particles in its mark | — | 1989-02-21 |