Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851741 | Electron gun for color picture tube | Yoshiaki Takahashi, Masaaki Yamauchi, Masayoshi Furuyama, Kazunari Noguchi, Sakae Ishii | 1989-07-25 |
| 4833364 | Electron gun for color picture tubes having uniquely formed lens apertures | Yukihiro Izumida, Hidemasa Komoro, Kazuo Majima, Akio Yamaguchi | 1989-05-23 |
| 4833365 | Electron gun structure for converging electron beams | Hidemasa Komoro, Yoshiaki Takahashi, Masakazu Fukushima, Kazuo Majima | 1989-05-23 |