Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469425 | Electron emission film and field emission cold cathode device | Tadashi Sakai, Kazuya Nakayama, Li Zhang, Gehan Anil Joseph Amaratunga, Ioannis Alexandrou +1 more | 2002-10-22 |