Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7711292 | Toner cartridge, and shutter structure for the same | Tohru Nakayama | 2010-05-04 |
| 7555250 | Toner cartridge, and shutter structure for the same | Tohru Nakayama | 2009-06-30 |
| 7447460 | Color image forming device having an output toner transport member | Yoshikane Tsuchihashi, Kenichi Tanabe, Tohru Nakayama | 2008-11-04 |