Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036586 | Developer delivering device and image forming apparatus | Tomoya Ichikawa, Tatsuya Soga, Satoshi Shigezaki | 2011-10-11 |
| D645895 | Waste toner bottle | Satoshi Shigezaki | 2011-09-27 |
| 7965972 | Image forming apparatus, powder transporting apparatus and waste-powder transporting method | Tomoya Ichikawa, Yoji Yamaguchi | 2011-06-21 |
| 7920816 | Developer collection device and image forming apparatus | Tadashi Ishikawa | 2011-04-05 |