Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162695 | Electron gun assembly for a color cathode ray tube | Eiji Kamohara, Shigeru Sugawara, Jiro Shimokobe | 1992-11-10 |
| 5077497 | Cathode ray tube | Eiji Kamohara, Shinpei Koshigoe | 1991-12-31 |
| 5034652 | Electron gun for color-picture tube | Shinpei Koshigoe, Ryuichi Murai | 1991-07-23 |