Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020861 | Sheet conveyance device and image forming apparatus | Toshifumi Itabashi, Kiyoshi Oyama, Takuma Koizumi, Ayumu Murakami, Yuichi Yamamoto +1 more | 2011-09-20 |
| 8020862 | Sheet conveyance device, image forming apparatus and image reading apparatus | Kiyoshi Oyama, Toshifumi Itabashi, Takuma Koizumi, Ayumu Murakami, Yuichi Yamamoto +1 more | 2011-09-20 |
| 8006567 | Stress history recording system | Chao Xu, Nao Terasaki, Hiroshi Yamada | 2011-08-30 |