Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697823 | Electron gun of CRT and manufacturing method therefor | Jyoji Karasawa, Daichi Imabayashi | 1997-12-16 |
| 5514930 | Electron gun of CRT and manufacturing method therefor | Jyoji Karasawa, Daichi Imabayashi | 1996-05-07 |
| 5424606 | Cathode assembly and an electron gun having the same | Jyoji Karasawa, Daichi Imabayashi | 1995-06-13 |