Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7924302 | Image recording apparatus with gas blowing device | Keisuke Hirayama, Hiroshi Okamoto, Junichi Oka | 2011-04-12 |
| 7868908 | Image recording apparatus having a laser source | Hiroshi Okamoto, Yuji Kurokawa, Keisuke Hirayama, Hitoshi Shioda | 2011-01-11 |