Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5506658 | Sheet feeding apparatus and automatic document feeder | Akiyoshi Johdai, Hirokazu Matsuo, Akira Ohhata, Tomoyuki Atsumi, Masao Kondo | 1996-04-09 |
| 5379993 | Automatic document feeder | Akiyoshi Johdai, Hirokazu Matsuo | 1995-01-10 |
| 5117266 | Recirculating document handler and image forming apparatus equipped therewith | Hirokazu Matsuo, Yusuke Morigami, Wataru Hamakawa, Takuma Ishikawa | 1992-05-26 |
| 5094440 | Sheet feeding apparatus | Hirokazu Matsuo | 1992-03-10 |
| 5084741 | Recirculating document handler and image forming apparatus equipped therewith | Hirokazu Matsuo, Yusuke Morigami, Wataru Hamakawa, Takuma Ishikawa | 1992-01-28 |