Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4460844 | Magnetic focusing, three in-line gun type color picture tube | Soichi Sakurai, Kuniharu Osakabe | 1984-07-17 |
| 4439710 | Electromagnetic focusing cathode-ray tube | Kuniharu Osakabe, Isao Yoshimi | 1984-03-27 |
| 4362964 | Color picture tube with a magnetic focusing device | Soichi Sakurai, Masanobu Takata | 1982-12-07 |
| 4345183 | Color picture tube with magnetic focusing system | — | 1982-08-17 |
| 4310780 | Magnetic focusing structure for three in-line gun type color picture tubes | Soichi Sakurai, Masanobu Takata | 1982-01-12 |
| 4201933 | Electron gun structure for a pickup tube | Takanori Hisada | 1980-05-06 |