Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362964 | Color picture tube with a magnetic focusing device | Soichi Sakurai, Kyohei Fukuda | 1982-12-07 |
| 4310780 | Magnetic focusing structure for three in-line gun type color picture tubes | Soichi Sakurai, Kyohei Fukuda | 1982-01-12 |