Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9469134 | Ventilation device, image forming apparatus, and information processing apparatus | — | 2016-10-18 |
| 8032047 | Fixing device and image forming apparatus | Toshimasa Shiobara | 2011-10-04 |
| 7618038 | Image forming apparatus and medium feeding mechanism | — | 2009-11-17 |
| 7555233 | Fixing device and image forming apparatus | Toshimasa Shiobara | 2009-06-30 |
| 5702189 | Rack and pinion cleaning mechanism in a serial printer | Minoru Mizutani, Kuniharu Hayashi | 1997-12-30 |