Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851741 | Electron gun for color picture tube | Shoji Shirai, Yoshiaki Takahashi, Masaaki Yamauchi, Masayoshi Furuyama, Kazunari Noguchi | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851741 | Electron gun for color picture tube | Shoji Shirai, Yoshiaki Takahashi, Masaaki Yamauchi, Masayoshi Furuyama, Kazunari Noguchi | 1989-07-25 |