Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812716 | Electron beam scanning display apparatus with cathode vibration suppression | Hiroshi Miyama, Kaoru Tomii, Jun Nishida | 1989-03-14 |
| 4804887 | Display device with vibration-preventing plate for line cathodes | Hiroshi Miyama, Kaoru Tomii, Jun Nishida | 1989-02-14 |