Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8513870 | Electron emission source, electric device using the same, and method of manufacturing the electron emission source | Cheol Jin Lee | 2013-08-20 |
| 8193692 | Surface field electron emitters using carbon nanotube yarn and method of fabricating carbon nanotube yarn thereof | Cheol Jin Lee, Guohai Chen | 2012-06-05 |