Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354763 | Dry-type developing device | Junichi Koiso, Akihiko Tamura | 1982-10-19 |
| 4314242 | Apparatus for detecting a residual quantity of toner | Hiroshi Kuru, Mitsuo Akiyama | 1982-02-02 |