Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12127420 | Display device, method for manufacturing display device, and electronic apparatus | Tomoyoshi Ichikawa | 2024-10-22 |
| 6425793 | Impregnated cathode and method of manufacturing same, electron gun and electron tube | Yoji Hasegawa, Shinji Ogawa, Makoto Furukawa, Nobuyuki Yoshino, Junji Sato +3 more | 2002-07-30 |
| 6252341 | Impregnated cathode having varying surface porosity | Yoji Hasegawa, Shinji Ogawa, Makoto Furukawa, Nobuyuki Yoshino, Junji Sato +3 more | 2001-06-26 |
| 5697823 | Electron gun of CRT and manufacturing method therefor | Masataka Santoku, Jyoji Karasawa | 1997-12-16 |
| 5514930 | Electron gun of CRT and manufacturing method therefor | Masataka Santoku, Jyoji Karasawa | 1996-05-07 |
| 5424606 | Cathode assembly and an electron gun having the same | Jyoji Karasawa, Masataka Santoku | 1995-06-13 |