Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492769 | Electron emitting device, electron source, image forming apparatus and producing methods of them | Hitoshi Oda | 2002-12-10 |
| 6383047 | Method for manufacturing cathode, electron source, and image forming apparatus | Masato Minami | 2002-05-07 |