Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314177 | Low-energy-electron-exciting fluorescent display device | Tsuneharu Nitta, Shigeru Hayakawa | 1982-02-02 |
| 4314178 | Low-energy-electron-exciting fluorescent display device | Tsuneharu Nitta, Shigeru Hayakawa | 1982-02-02 |