Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8135313 | Powder transport screw, and development device, process unit and image-forming apparatus comprising this powder transport screw | Tomofumi Yoshida, Hirobumi Ooyoshi, Kenzo Tatsumi, Tomohiro Kubota, Yoshiyuki Shimizu +2 more | 2012-03-13 |