Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7521704 | Memory device using multi-layer with a graded resistance change | In-kyeong Yoo, Sun-ae Seo, Dong-Seok Suh, David Seo, Sang-hun Jeon | 2009-04-21 |
| 7414295 | Transistor and method of operating transistor | Choong-rae Cho, In-kyeong Yoo | 2008-08-19 |
| 7400027 | Nonvolatile memory device having two or more resistance elements and methods of forming and using the same | Young-soo Joung, Yoon-dong Park, In-kyeong Yoo, Sun-ae Seo, Hye Young Kim +2 more | 2008-07-15 |
| 7196336 | Apparatus for injecting plasma gas in atmosphere | Kyu Sun Chung, Yong-Sup Choi | 2007-03-27 |