Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629309 | Developer supply system for dry process electrophotographic recording apparatus | Hisao Ishizu | 1986-12-16 |
| 4625895 | Dry-process developer replacing and supplying device for electrophotographic recording apparatus | — | 1986-12-02 |