Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8099006 | Image forming apparatus and image quality correction method used therein | Kohta Fujimori, Shin Hasegawa, Nobutaka Takeuchi, Hitoshi Ishibashi, Yushi Hirayama | 2012-01-17 |
| 8095025 | Image forming apparatus capable of efficient toner concentration control | Hitoshi Ishibashi, Shin Hasegawa, Kohta Fujimori, Nobutaka Takeuchi, Yushi Hirayama +2 more | 2012-01-10 |
| 8045874 | Image forming apparatus and image density control method | Akira Yoshida, Shin Hasegawa, Hitoshi Ishibashi, Yoshiaki Miyashita, Kohta Fujimori +3 more | 2011-10-25 |
| 8027605 | Image forming apparatus and image density control method | Nobutaka Takeuchi, Shin Hasegawa, Hitoshi Ishibashi, Shuji Hirai, Kohta Fujimori +2 more | 2011-09-27 |
| 8014076 | Variable focal length lens, camera module, and electronic apparatus | Akira Suzuki, Fumisada Maeda, Mamoru Suzuki, Katsuhiro Seo | 2011-09-06 |
| 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, Kohta Fujimori +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 | Shin Hasegawa, Hitoshi Ishibashi, Shuji Hirai, Kohta Fujimori, Nobutaka Takeuchi +2 more | 2011-03-08 |
| 7885556 | Image forming apparatus for correcting a toner density target value | Kohta Fujimori, Shin Hasegawa, Nobutaka Takeuchi, Hitoshi Ishibashi, Yushi Hirayama +8 more | 2011-02-08 |
| 7881629 | Image forming apparatus and image density control method | Nobutaka Takeuchi, Hitoshi Ishibashi, Kohta Fujimori, Yushi Hirayama, Naoto Watanabe | 2011-02-01 |
| 7833207 | Pants-type wearing article | Yasuhiko Kenmochi, Akiyoshi Kinoshita, Natsuko Aoyagi | 2010-11-16 |
| 7821677 | Method and apparatus for image forming capable of accurately detecting displacement of transfer images and image density | Kohta Fujimori, Shin Hasegawa, Shinji Kato, Nobutaka Takeuchi, Naoto Watanabe +8 more | 2010-10-26 |
| 7809291 | Image forming apparatus with a two component developer, toner density detection and toner density correction | Nobutaka Takeuchi, Shinji Kato, Shin Hasegawa, Kouta Fujimori, Yushi Hirayama +3 more | 2010-10-05 |
| 7778560 | Image forming apparatus and method of adjusting charge bias | Hitoshi Ishibashi, Kohta Fujimori, Shin Hasegawa, Yushi Hirayama, Nobutaka Takeuchi +5 more | 2010-08-17 |
| 7747182 | Image forming apparatus with toner density control | Shinji Kato, Shin Hasegawa, Kohta Fujimori, Nobutaka Takeuchi, Yushi Hirayama +3 more | 2010-06-29 |
| 7672602 | Developing unit and image forming apparatus which forces consumption of toner | Osamu Ariizumi, Kazumi Kobayashi, Shinji Kobayashi, Fukutoshi Uchida, Takashi Enami +8 more | 2010-03-02 |
| 7668471 | Image forming apparatus and image forming method | Nobutaka Takeuchi, Shin Hasegawa, Kohta Fujimori, Yushi Hirayama | 2010-02-23 |
| 7640638 | Fastening system for wearing article | Yasuhiko Kenmochi, Akiyoshi Kinoshita, Natsuko Aoyagi, Yusuke Kawakami | 2010-01-05 |
| 7616909 | Image forming apparatus and image forming method | Shinji Kato, Shin Hasegawa, Hitoshi Ishibashi, Kohta Fujimori, Nobutaka Takeuchi +8 more | 2009-11-10 |
| 7551864 | Image forming apparatus and method of controlling an image quality | Kohta Fujimori, Yuushi Hirayama, Shinji Kato, Nobutaka Takeuchi, Kazumi Kobayashi +3 more | 2009-06-23 |
| 7551866 | Image forming method and apparatus with improved conversion capability of amount of toner adhesion | Naoto Watanabe, Shin Hasegawa, Hideki Kamaji, Shinji Kato, Hitoshi Ishibashi +7 more | 2009-06-23 |
| 7551862 | Developing device, and process unit and image forming apparatus using the developing device | Shin Hasegawa, Kohta Fujimori, Nobutaka Takeuchi, Yushi Hirayama | 2009-06-23 |
| 7548704 | Image forming apparatus effectively conducting a process control | Shin Hasegawa, Shinji Kato, Hitoshi Ishibashi, Kohta Fujimori, Naoto Watanabe +8 more | 2009-06-16 |
| 7536121 | Image forming apparatus and image density control method | Kiichirou Shimizu, Shinji Kato, Shin Hasegawa, Kohta Fujimori, Nobutaka Takeuchi +3 more | 2009-05-19 |
| 7515844 | Image density control method and image forming apparatus | Kohta Fujimori, Yuji Hirayama, Nobutaka Takeuchi, Shin Hasegawa, Shinji Kato +3 more | 2009-04-07 |