Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740925 | Memory device comprising single transistor having functions of RAM and ROM and methods for operating and manufacturing the same | In-kyeong Yoo | 2004-05-25 |
| 6687210 | High-density information storage apparatus using electron emission and methods of writing, reading and erasing information using the same | In-kyeong Yoo, Won-bong Choi | 2004-02-03 |