Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9400453 | Developing device and image forming apparatus therewith, and developer carrying member therein | — | 2016-07-26 |
| 9274456 | Developing device comprising a conveying member having a hollow spiral shape and image forming apparatus provided with the same | Yoshihiro Yamagishi, Hiroshi Yamazaki, Masaki Hayashi, Koji Kuramashi | 2016-03-01 |