Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233267 | Dynamic convergence system for color cathode ray tubes having an in line electron gun | Katsuyo Iwasaki, Koichi Sugahara, Toshio Kuramoto, Kenji Uozumi | 1993-08-03 |
| 5157301 | Color cathode ray tube unit | Katsuyo Iwasaki, Hidekuni Fujisawa, Koichi Sugahara, Hiroshi Suzuki | 1992-10-20 |
| 5142189 | In-line type electron gun for a color cathode ray tube | Koichi Sugahara, Osamu Konosu, Hiroshi Suzuki | 1992-08-25 |
| 5061881 | In-line electron gun | Hiroshi Suzuki, Koichi Sugahara | 1991-10-29 |