Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336480 | Cathode ray tube | — | 1982-06-22 |
| 4326150 | Cathode ray tube device for display system | — | 1982-04-20 |
| 4323306 | Developer cleaning device for electrophotography | Yoshio Ito, Katuhiko Yamada, Tadayuki Kitajima, Koichi Miyamoto, Yoshikuni Mohvama | 1982-04-06 |