Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7301207 | Semiconductor device capable of threshold voltage adjustment by applying an external voltage | Yil-Wook Kim, Sung Eon Park, Jin-Hong Ahn, Sang Don Lee | 2007-11-27 |
| 6920305 | Device for and method of cleaning photoreceptor medium of electrophotographic image forming apparatus | Seung-young Byun | 2005-07-19 |
| 6887788 | Method of manufacturing semiconductor device | Il Wook Kim, Seok Kiu Lee, Tae-Hang Ahn, Sung Eon Park | 2005-05-03 |
| 6862419 | Liquid image developing system having development roller partially soaked in developer | Yong-su Kim | 2005-03-01 |
| 6836634 | Developer unit of electrophotographic image forming apparatus | Seung-young Byun | 2004-12-28 |
| 6823161 | Developer of electrophotographic image forming system | Geun-yong Park | 2004-11-23 |
| 6766130 | Liquid developer imaging system | In-yong Song, Kyu-cheol Shin, Kwang-ho No, Hyun-seong Shin, Geun-yong Park +7 more | 2004-07-20 |