Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7822351 | Filling-rate lowering and rolling rate adjusting image forming apparatus | Katsuhiro Aoki, Takeo Tsukamoto, Takashi Fujita, Yasuyuki Ishii, Masanori Saitoh +2 more | 2010-10-26 |
| 7790343 | Process, toner, process cartridge and apparatus for developing a toner image | Kazumi Suzuki, Hiromitsu Takagaki, Takashi Fujita, Atsushi Nakafuji, Hiromi Tamura +3 more | 2010-09-07 |
| 7778555 | Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining method | Hisashi Shoji, Osamu Satoh, Yasushi Nakazato, Hitoshi Shimizu, Seiji Hoshino +4 more | 2010-08-17 |
| 7751746 | Device for driving rotary body with mechanism for dampening fluctuation in rotation velocity | Tetsuo Watanabe, Takeo Tsukamoto, Katsuhiro Aoki, Kei Yasutomi, Hitoshi Maruyama +1 more | 2010-07-06 |
| 7738813 | Corona charger having two charging regions | Kei Yasutomi, Hitoshi Maruyama, Takeo Tsukamoto, Masanori Saitoh, Katsuhiro Aoki | 2010-06-15 |
| 7711300 | Image forming apparatus | Atsushi Nakafuji, Takashi Fujita, Shin Kayahara, Hiromitsu Takagaki, Takashi Seto +2 more | 2010-05-04 |
| 7711301 | Image transfer device for image forming apparatus | Takeshi Takemoto, Takashi Seto, Takashi Fujita, Hiromitsu Takagaki, Atsushi Nakafuji +3 more | 2010-05-04 |
| 7693466 | Method for arranging image forming sections | Takeshi Iijima, Yusuke Takeda, Shuji Hirai, Sadayuki Iwai, Hideki Kosugi +1 more | 2010-04-06 |
| 7643767 | Transfer-fixing unit and image forming apparatus for enhanced image quality | Takashi Seto, Takeshi Takemoto, Takashi Fujita, Hiromitsu Takagaki, Shin Kayahara +3 more | 2010-01-05 |
| 7554574 | Abnormal state occurrence predicting method, state deciding apparatus, and image forming system | Hisashi Shoji, Osamu Satoh, Masaaki Yamada, Shuji Hirai, Yoshinori Nakagawa +4 more | 2009-06-30 |
| 7551882 | Image forming apparatus equipping improved transfer fixing apparatus | Takashi Seto, Takashi Fujita, Shin Kayahara, Atsushi Nakafuji, Kazumi Suzuki +2 more | 2009-06-23 |
| 7457550 | Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining method | Hisashi Shoji, Osamu Satoh, Yasushi Nakazato, Hitoshi Shimizu, Seiji Hoshino +4 more | 2008-11-25 |
| 7444097 | Air-conditioned electrophotographic image forming apparatus | Yasuo Suzuki, Satoshi Igari, Yasushi Nakazato, Takeo Suda, Tetsuroh Miura +1 more | 2008-10-28 |
| 7343126 | Image forming apparatus including a transfer belt having image forming units disposed thereabout | Takeshi Iijima, Yusuke Takeda, Shuji Hirai, Sadayuki Iwai, Hideki Kosugi +1 more | 2008-03-11 |
| 7327962 | Abnormality determining method, abnormality determining apparatus, and image forming apparatus | Hisashi Shoji, Osamu Satoh, Masaaki Yamada, Shuji Hirai, Yoshinori Nakagawa +5 more | 2008-02-05 |
| 7203452 | Tandem image forming device having a side-by-side arrangement of image forming sections | Takeshi Iijima, Yusuke Takeda, Shuji Hirai, Sadayuki Iwai, Hideki Kosugi +1 more | 2007-04-10 |
| 7203431 | Abnormality determining method, abnormality determining apparatus, and image forming apparatus | Hisashi Shoji, Osamu Satoh, Masaaki Yamada, Shuji Hirai, Yoshinori Nakagawa +5 more | 2007-04-10 |
| 7184674 | Detecting device for an image forming apparatus | Osamu Satoh, Masaaki Yamada | 2007-02-27 |
| 7110917 | Abnormality determining method, and abnormality determining apparatus and image forming apparatus using same | Nekka Matsuura, Hisashi Shoji, Satoshi Ouchi, Osamu Satoh, Masaaki Yamada +6 more | 2006-09-19 |
| 7054585 | Belt device and unit device including belt device and image forming apparatus using the belt device and unit device | Tetsurou Sasamoto, Makoto Obu, Minoru Suzuki, Yuichi Aoyama | 2006-05-30 |
| 7027751 | Electrophotographic image forming apparatus having residual toner collection | Tetsuroh Miura, Takeshi Saitou, Takeo Suda, Yasushi Nakazato, Yasuo Suzuki | 2006-04-11 |
| 6941102 | Belt device and unit device including belt device and image forming apparatus using the belt device and unit device | Tetsurou Sasamoto, Makoto Obu, Minoru Suzuki, Yuichi Aoyama | 2005-09-06 |
| 6768891 | Belt device and unit device including belt device and image forming apparatus using the belt device and unit device | Tetsurou Sasamoto, Makoto Obu, Minoru Suzuki, Yuichi Aoyama | 2004-07-27 |
| 6757512 | Tandem image forming device, image forming apparatus and method for using the same | Takeshi Iijima, Yusuke Takeda, Shuji Hirai, Sadayuki Iwai, Hideki Kosugi +1 more | 2004-06-29 |
| 6556802 | Belt device and unit device including belt device and image forming apparatus using the belt device and unit device | Tetsurou Sasamoto, Makoto Obu, Minoru Suzuki, Yuichi Aoyama | 2003-04-29 |