Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967120 | Electron gun assembly of color ray tube | Takashi Katsuma, Hideo Mori, Naoaki Umezu | 1990-10-30 |
| 4900978 | Electron gun having blackened grids used in-line type color CRT, and color CRT using the same | Hideo Mori, Tadanori Okada | 1990-02-13 |