Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045874 | Image forming apparatus and image density control method | Akira Yoshida, Shin Hasegawa, Hitoshi Ishibashi, Yoshiaki Miyashita, Nobutaka Takeuchi +3 more | 2011-10-25 |
| 8027605 | Image forming apparatus and image density control method | Nobutaka Takeuchi, Shin Hasegawa, Hitoshi Ishibashi, Shuji Hirai, Kayoko Tanaka +2 more | 2011-09-27 |
| 8009997 | Toner replenishment determination device of an image forming apparatus | Osamu Ariizumi, Kazumi Kobayashi, Shinji Kobayashi, Fukutoshi Uchida, Takashi Enami +8 more | 2011-08-30 |
| 7929873 | Image forming apparatus and image density control method | Nobutaka Takeuchi, Shin Hasegawa, Hitoshi Ishibashi, Shuji Hirai, Kayoko Tanaka +4 more | 2011-04-19 |
| 7903986 | Reuse method and a reusable device for an image forming apparatus having a first process linear velocity and a second image processing apparatus having a second process linear velocity | Kayoko Tanaka, Shin Hasegawa, Hitoshi Ishibashi, Shuji Hirai, Nobutaka Takeuchi +2 more | 2011-03-08 |
| 7885556 | Image forming apparatus for correcting a toner density target value | Shin Hasegawa, Nobutaka Takeuchi, Hitoshi Ishibashi, Yushi Hirayama, Naoto Watanabe +8 more | 2011-02-08 |
| 7881629 | Image forming apparatus and image density control method | Nobutaka Takeuchi, Hitoshi Ishibashi, Kayoko Tanaka, Yushi Hirayama, Naoto Watanabe | 2011-02-01 |