Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947678 | Image forming apparatus and cartridge, method of sensing remaining amount of developer in an image forming apparatus, and memory device mounted on said cartridge | Norihito Naito, Hideaki Hasegawa | 2005-09-20 |