Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5923123 | Electron gun assembly for cathode ray tube with a voltage stabilizing suppressor ring | Fumihito Suzuki, Takahiro Hasegawa, Shigeru Sugawara | 1999-07-13 |
| 5694004 | Color cathode ray tube apparatus | Shigeru Sugawara, Eiji Kamohara, Kumio Fukuda | 1997-12-02 |
| 5663609 | Electron gun assembly having a quadruple lens for a color cathode ray tube | Eiji Kamohara | 1997-09-02 |
| 5519290 | Color cathode ray tube apparatus | Shigeru Sugawara | 1996-05-21 |
| 5517078 | Color cathode ray tube apparatus | Shigeru Sugawara, Eiji Kamohara | 1996-05-14 |
| 5486735 | Electron gun with improved withstand voltage for color-picture tube | Eiji Kamohara, Shigeru Sugawara | 1996-01-23 |
| 5449983 | Color cathode ray tube apparatus | Shigeru Sugawara, Eiji Kamohara | 1995-09-12 |