Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7161285 | CNT film and field-emission cold cathode comprising the same | Akihiko Okamoto, Kazuo Konuma, Fuminori Ito, Yuko Okada | 2007-01-09 |
| 6445113 | Field emission cold cathode device and method of manufacturing the same | Nobuya Seko | 2002-09-03 |
| 6414421 | Field emission cold cathode | Hironori Imura, Nobuya Seko | 2002-07-02 |
| 6377231 | Image-casting control method for image display device and image display device | Nobuya Seko | 2002-04-23 |
| 6163103 | Field emission type cold cathode and electron tube | — | 2000-12-19 |
| 6091188 | Field emission cold cathode and method of fabricating the same | Fumihiko Matsuno | 2000-07-18 |
| 6060823 | Field emission cold cathode element | Akihiko Okamoto, Hisashi Takemura, Naruaki Takada | 2000-05-09 |
| 6057172 | Field-emission cathode and method of producing the same | — | 2000-05-02 |
| 6036565 | Method of fabricating a field emmision cold cathode | Nobuya Seko | 2000-03-14 |
| 5894187 | Field emission cold cathode having concentric cathode areas and feeder areas, and cathode ray tube having such a field emission cold cathode | — | 1999-04-13 |
| 5814925 | Electron source with microtip emissive cathodes | — | 1998-09-29 |
| 5814926 | Electron emission device with offset control electrode | — | 1998-09-29 |
| 5719477 | Electron gun for cathode ray tube | — | 1998-02-17 |
| 5585689 | Field-emission cathode having integrated electrical interconnects and electron tube using the same | Hironori Imura, Hideo Makishima | 1996-12-17 |
| 5543680 | Field emission type cathode structure for cathode-ray tube | — | 1996-08-06 |
| 5514847 | Electron beam radiator with cold cathode integral with focusing grid member and process of fabrication thereof | Hideo Makishima, Keizo Yamada | 1996-05-07 |
| 5496199 | Electron beam radiator with cold cathode integral with focusing grid member and process of fabrication thereof | Hideo Makishima, Keizo Yamada | 1996-03-05 |