Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404113 | Field emission type cold cathode element, method of fabricating the same, and display device | — | 2002-06-11 |
| 6404138 | Cold cathode display device and driving method | Kazuo Konuma | 2002-06-11 |