Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812654 | Field emission type electron source element, electron gun, cathode ray tube apparatus, and method for manufacturing cathode ray tube | Keisuke Koga | 2004-11-02 |
| 6794822 | Field emission electron source, electron gun and cathode ray tube device using the same | Keisuke Koga, Masahide Yamauchi, Koji Fujii, Takashi Itoh | 2004-09-21 |
| 6692327 | Method for producing electron emitting element | Masahiro Deguchi, Makoto Kitabatake, Kanji Imai, Tomohiro Sekiguchi, Hideo Kurokawa +2 more | 2004-02-17 |