Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804882 | Cathode-ray tube including a white phosphor screen | Takeshi Takahara, Mitsuhiro Oikawa, Yoshinori Tetsuishi, Masaaki Tamatani | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804882 | Cathode-ray tube including a white phosphor screen | Takeshi Takahara, Mitsuhiro Oikawa, Yoshinori Tetsuishi, Masaaki Tamatani | 1989-02-14 |