Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971867 | Sheet feeding apparatus and medium detecting method | Hiroshi Shiraiwa, Minoru Masuda, Ryoichi Yasukawa | 2011-07-05 |
| 7887043 | Feeding apparatus with switching pickup roller and brake roller | Ryoichi Yasukawa, Yusuke Kasashima | 2011-02-15 |