Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7970320 | Image forming apparatus having charging device using magnetic brush charger | Yukwi Hong, Koichi Hashimoto, Ryota Matsumoto, Ryo Nakamura | 2011-06-28 |
| 7917063 | Charging apparatus and image forming apparatus | Ryo Nakamura, Koichi Hashimoto | 2011-03-29 |