Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7957677 | Developing device and image forming apparatus using the same | — | 2011-06-07 |
| 7925186 | Developing device and image-forming apparatus | Kei Hirata, Takashi Sakamoto, Kiyoshi Chatani | 2011-04-12 |