Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |