Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7493058 | Image forming apparatus and toner concentration controlling method | Nobutaka Takeuchi, Shin Hasegawa, Kohta Fujimori, Yushi Hirayama, Hitoshi Ishibashi +8 more | 2009-02-17 |
| 7260335 | Image-information detecting device and image forming apparatus | Shinji Kato, Yushi Hirayama, Shin Hasegawa, Hitoshi Ishibashi, Kohta Fujimori +6 more | 2007-08-21 |
| 7251420 | Method and apparatus for image forming capable of effectively detecting toner density | Kohta Fujimori, Shin Hasegawa, Noboru Sawayama, Shinji Kato, Hitoshi Ishibashi +6 more | 2007-07-31 |