Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833364 | Electron gun for color picture tubes having uniquely formed lens apertures | Shoji Shirai, Hidemasa Komoro, Kazuo Majima, Akio Yamaguchi | 1989-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833364 | Electron gun for color picture tubes having uniquely formed lens apertures | Shoji Shirai, Hidemasa Komoro, Kazuo Majima, Akio Yamaguchi | 1989-05-23 |