Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635320 | Color cathode ray tube and method manufacturing the same | Yasuhisa Ohtake, Nobuo Kita | 1997-06-03 |
| 5592044 | Color cathode ray tube and method of manufacturing shadow mask | Yasuhisa Ohtake, Mitsuaki Yamazaki, Sachiko Muramatsu | 1997-01-07 |