Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5175587 | Developing apparatus having a detachable developer cartridge | Keiji Kato, Hiroshi Kawahito, Hideaki Hagihara | 1992-12-29 |
| 5144382 | Developing device with a scraping unit arranged to form a stirring area | Naotaka Funayama, Ikuo Itoh, Masatoshi Kaneshige | 1992-09-01 |