Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938396 | Sheet feeding device and image forming apparatus including sheet feeding device with a sheet feeding preparation period | Yoshio Sugishima, Yoshihiro Yamaguchi | 2011-05-10 |
| 7883084 | Sheet feeding device and image forming apparatus with warm air unit for blowing air toward upper face of sheet stack | Yoshihiro Yamaguchi, Yoshio Sugishima, Sachio Izumichi | 2011-02-08 |
| 7864533 | Semiconductor device | Takukazu Otsuka, Masao Saito | 2011-01-04 |