Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8041047 | Plug, sound inputting and outputting apparatus, and noise cancel system | Ichiro Nakajima, Osamu Koshida, Shinya Yudate | 2011-10-18 |
| 7970320 | Image forming apparatus having charging device using magnetic brush charger | Yukwi Hong, Koichi Hashimoto, Shingo Horita, Ryo Nakamura | 2011-06-28 |