Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32498 | Method of manufacturing fluorescent screens of cathode ray tubes | Yoshifumi Tomita | 1987-09-08 |
| 4391885 | Method of manufacturing fluorescent screens of cathode ray tubes | Yoshifumi Tomita | 1983-07-05 |