Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469425 | Electron emission film and field emission cold cathode device | Kazuya Nakayama, Li Zhang, Gehan Anil Joseph Amaratunga, Ioannis Alexandrou, Mark Baxendale +1 more | 2002-10-22 |
| 6456014 | Field emission device | Tomio Ono, Li Zhang | 2002-09-24 |
| 6342664 | Data reproducing apparatus | Takeshi Sawada, Toru Tanaka | 2002-01-29 |