Issued Patents All Time
Showing 1–25 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8175467 | Apparatus, method, and system for detecting a state of an apparatus | Masaichi Sawada, Osamu Satoh, Yasushi Nakazato, Seiji Hoshino, Hitoshi Shimizu +2 more | 2012-05-08 |
| 7903269 | Abnormality determining apparatus, image forming apparatus including the abnormality determining apparatus, and abnormality determining method | Yoshinori Nakagawa, Yasushi Nakazato, Satoshi Ouchi, Nekka Matsuura, Osamu Satoh +3 more | 2011-03-08 |
| 7778555 | Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining method | Osamu Satoh, Yasushi Nakazato, Hitoshi Shimizu, Katsuaki Miyawaki, Seiji Hoshino +4 more | 2010-08-17 |
| 7554574 | Abnormal state occurrence predicting method, state deciding apparatus, and image forming system | Katsuaki Miyawaki, Osamu Satoh, Masaaki Yamada, Shuji Hirai, Yoshinori Nakagawa +4 more | 2009-06-30 |
| 7457550 | Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining method | Osamu Satoh, Yasushi Nakazato, Hitoshi Shimizu, Katsuaki Miyawaki, Seiji Hoshino +4 more | 2008-11-25 |
| 7327962 | Abnormality determining method, abnormality determining apparatus, and image forming apparatus | Osamu Satoh, Masaaki Yamada, Shuji Hirai, Yoshinori Nakagawa, Tomoko Takahashi +5 more | 2008-02-05 |
| 7313336 | Method and apparatus for image forming capable of effectively recycling toner | Ichiro Kadota, Atsushi Shinozaki, Nekka Matsuura, Kazumi Suzuki, Nobutaka Takeuchi +3 more | 2007-12-25 |
| 7203431 | Abnormality determining method, abnormality determining apparatus, and image forming apparatus | Osamu Satoh, Masaaki Yamada, Shuji Hirai, Yoshinori Nakagawa, Tomoko Takahashi +5 more | 2007-04-10 |
| 7110917 | Abnormality determining method, and abnormality determining apparatus and image forming apparatus using same | Nekka Matsuura, Satoshi Ouchi, Katsuaki Miyawaki, Osamu Satoh, Masaaki Yamada +6 more | 2006-09-19 |
| 7079798 | Toner transfer back suppressing color image forming apparatus | Kazumi Suzuki, Ichiro Kadota, Atsushi Shinozaki, Chikara Imai | 2006-07-18 |
| 6978109 | Image forming apparatus | Tsukuru Kai, Kei Yasutomi, Nekka Matsuura, Nobutaka Takeuchi, Hirokatsu Suzuki | 2005-12-20 |
| 6901233 | Image forming apparatus | Katsuhiro Aoki, Tsukuru Kai, Hajime Oyama, Osamu Ariizumi, Takashi Hodoshima +1 more | 2005-05-31 |
| 6823163 | Image forming apparatus including an electric field having an oscillation component between an image carrier and a developer carrier | Naomi Sugimoto, Tsukuru Kai, Nobutaka Takeuchi | 2004-11-23 |
| 6819901 | Developing method and a developing device for image forming apparatus | Kei Yasutomi, Tsukuru Kai, Nobutaka Takeuchi | 2004-11-16 |
| 6782225 | Image forming apparatus having plurality of developing sections with particular magnetic flux density | Tsukuru Kai | 2004-08-24 |
| 6778805 | Image forming apparatus having a developing device with a magnet brush | Tsukuru Kai, Nobutaka Takeuchi, Kei Yasutomi, Takeyoshi Sekine, Osamu Ariizumi | 2004-08-17 |
| 6757509 | Image forming apparatus | Tsukuru Kai, Kei Yasutomi, Nekka Matsuura, Nobutaka Takeuchi, Hirokatsu Suzuki | 2004-06-29 |
| 6721516 | Image forming apparatus | Katsuhiro Aoki, Tsukuru Kai, Hajime Oyama, Osamu Ariizumi, Takashi Hodoshima +1 more | 2004-04-13 |
| 6597885 | Image forming apparatus having a developing device with a magnet brush | Tsukuru Kai, Nobutaka Takeuchi, Kei Yasutomi, Takeyoshi Sekine, Osamu Ariizumi | 2003-07-22 |
| 6505014 | Image forming apparatus and an image forming process unit | Katsuhiro Aoki, Tsukuru Kai, Hajime Oyama, Noriyoshi Tarumi, Takashi Hodoshima +1 more | 2003-01-07 |
| 6456806 | Developing method, device, and image forming apparatus with magnet brush | Tsukuru Kai | 2002-09-24 |
| 6160979 | Image forming apparatus | — | 2000-12-12 |
| RE36935 | Multiplex image reproducing apparatus | Satoshi Haneda, Seiichiro Hiratsuka | 2000-10-31 |
| 6125243 | Toner replenishing and developer replacing device for a developing unit of an image forming apparatus | Kiyotaka Ohta, Tsukuru Kai, Nobuto Yokokawa, Kiyonori Tsuda, Satoshi Hatori | 2000-09-26 |
| 5999762 | Image forming apparatus and method therefor | — | 1999-12-07 |