Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659860 | Developing device for an image forming apparatus and toner cartridge | Fumihiro Sasaki, Satoshi Mochizuki, Hidefumi Gohhara, Seiji Oka, Hajime Oyama +2 more | 1997-08-19 |