Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7200346 | Image forming apparatus having different dots per unit area densities | — | 2007-04-03 |
| 6571079 | Image recording apparatus having electrically conductive members for preventing charge migration | Kazuhiko Nagaoka, Toyokazu Shiraishi | 2003-05-27 |
| 5889538 | Ink jet recording apparatus | Mitsuru Kishimoto, Noboru Ooishi, Kiyoshi Ikeda, Masahiko Shimosugi, Shigenori Koido +1 more | 1999-03-30 |