Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637023 | Field emission element and process for manufacturing same | Shigeo Itoh, Teruo Watanabe, Hisashi Nakata, Norio Nishimura, Junji Itoh | 1997-06-10 |
| 5612587 | Field emission cathode | Shigeo Itoh, Teruo Watanabe, Kazuhiko Tsuburaya, Junji Itoh | 1997-03-18 |