Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814666 | Electron-beam existed display tube, the screen of which has a fluorescent component of a Eu containing red fluorescent component and a blue or green fluorescent component | Hideo Tono, Susumu Omatoi | 1989-03-21 |