Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8031479 | Power converter apparatus | Hiroyuki Onishi, Toshiaki Nagase, Jun Ishikawa, Kazuyoshi Kontani, Toshinari Fukatsu | 2011-10-04 |
| 7980708 | Document presentation device including a movable part | Hirokazu Ishikawa, Junichi Yokoyama, Akinori Hamana | 2011-07-19 |