Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7588475 | Field-emission electron source, method of manufacturing the same, and image display apparatus | Keisuke Koga, Makoto Yamamoto, Akinori Shiota, Masayoshi Nagao | 2009-09-15 |
| 7215072 | Field-emission electron source, method of manufacturing the same, and image display apparatus | Keisuke Koga, Makoto Yamamoto, Akinori Shiota, Masayoshi Nagao | 2007-05-08 |
| 7112920 | Field emission source with plural emitters in an opening | Makoto Yamamoto, Keisuke Koga, Akinori Shiota, Masayoshi Nagao | 2006-09-26 |
| 6409565 | Reduced voltage field emission cathode and method for manufacturing same | Shigeo Itoh, Junji Itoh | 2002-06-25 |
| 6163107 | Field emission cathode | Shigeo Itoh, Takahiro Niiyama, Masaharu Tomita, Yoshitaka Kagawa, Akira Inoue +1 more | 2000-12-19 |
| 6020595 | Cold electron emission device | Junji Itoh | 2000-02-01 |
| 5847408 | Field emission device | Junji Itoh | 1998-12-08 |
| 5793154 | Field emission element | Shigeo Itoh, Teruo Watanabe, Makoto Miyamori, Norio Nishimura, Junji Itoh | 1998-08-11 |
| 5780318 | Cold electron emitting device and method of manufacturing same | Takayuki Hirano, Junji Itoh | 1998-07-14 |
| 5710478 | Field emitter having source, channel, and drain layers | Junji Itoh | 1998-01-20 |
| 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 |
| 5469014 | Field emission element | Shigeo Itoh, Teruo Watanabe, Makoto Miyamori, Norio Nishimura, Junji Itoh | 1995-11-21 |
| 5381069 | Field emission element and process for manufacturing same | Shigeo Itoh, Teruo Watanabe, Hisashi Nakata, Norio Nishimura, Junji Itoh | 1995-01-10 |
| 5256936 | Image display device | Shigeo Itoh, Teruo Watanabe, Hisashi Nakata, Norio Nishimura, Junji Itoh | 1993-10-26 |