Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D529949 | Developer supplying container | Katsuya Murakami, Yasuhiro Morishita | 2006-10-10 |
| 5365323 | Image recording device | — | 1994-11-15 |
| 4969009 | Image recording apparatus | Kazuhide Sugiyama, Masahiro Shirai, Yasuyuki Aikou | 1990-11-06 |
| 4337928 | Apparatus for changing the charge distribution in a blast furnace | — | 1982-07-06 |