Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8644742 | Developer supply device and image forming apparatus having the same | — | 2014-02-04 |
| 8639166 | Developer supply device and image forming apparatus having the same | Takanori Uno, Mitsukiyo Okamura, Keisuke Takahashi | 2014-01-28 |
| 8112019 | Developer supply device | Kenjiro Nishiwaki, Kazutoshi Kotama, Tomoaki Hattori | 2012-02-07 |