Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827619 | Electron emitting device, electron source, image forming apparatus and producing methods of them | Takashi Iwaki | 2004-12-07 |
| 6726520 | Apparatus for producing electron source | Toshihiko Takeda, Masaru Kamio, Masataka Yamashita, Yasue Sato, Keisuke Yamamoto +3 more | 2004-04-27 |