Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885503 | Color cathode-ray tube | Eiki Takahashi, Kiyoshi Nakamura | 1989-12-05 |
| 4825121 | In-line type electron gun for color picture tube | — | 1989-04-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885503 | Color cathode-ray tube | Eiki Takahashi, Kiyoshi Nakamura | 1989-12-05 |
| 4825121 | In-line type electron gun for color picture tube | — | 1989-04-25 |