Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D585483 | Toner cartridge | — | 2009-01-27 |
| D574038 | Toner cartridge | — | 2008-07-29 |
| 6542715 | Image forming apparatus and ejected sheet stacking device for use therewith | Tarou Miyamoto, Naoki Otomo, Hideo Isohara, Takeshi Suzuki | 2003-04-01 |
| 5382998 | Image forming apparatus of a clamshell type | Toshio Shida, Hisao Satoh, Naoko Otomo, Shigeru Okazaki, Tadayoshi Ikeda +1 more | 1995-01-17 |