Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8032039 | Controller, image-forming device, and storage medium | — | 2011-10-04 |
| 5877692 | Part life detection and display unit | Toshio Watanabe | 1999-03-02 |
| 5765094 | Apparatus for holding recording sheets on an image recording apparatus | — | 1998-06-09 |
| 5568268 | Image forming device with forgery prevention | Masato Tsuji, Katsuyuki Kouno, Hidefumi Nishigai, Nobuyuki Kodera | 1996-10-22 |
| 5168373 | Diagnostics system for use with a recording apparatus | — | 1992-12-01 |
| 5157518 | Image data control system for image reading equipment | Mitsuo Ohtaki, Yoshiya Imoto, Izumi Takashima | 1992-10-20 |