Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7875748 | Compound derived from cyclopentadienone, preparation method thereof and EL element using the same | Hyun-Nam Cho, Seok Jin Park, Seung Eun Lee | 2011-01-25 |
| 7872941 | Nonvolatile memory device and method of operating the same | — | 2011-01-18 |