Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8498560 | Fixing device and image forming apparatus using this fixing device | Kohta Sakaya, Tamotsu Ikeda | 2013-07-30 |
| 8385803 | Belt-type fixing device and image forming apparatus capable of maintaining prescribed tension of belt | — | 2013-02-26 |
| 8364061 | Fixing device and image forming apparatus | — | 2013-01-29 |
| 8320798 | Sheet conveying device and image forming apparatus | Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki +1 more | 2012-11-27 |
| 8256769 | Feeding device and image forming apparatus | Masafumi Takahira, Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Mizuna Tanaka +3 more | 2012-09-04 |
| 8107864 | Separating member, fixing device, and image forming apparatus | Osamu Saito, Tamotsu Ikeda, Kohta Sakaya | 2012-01-31 |
| 8102545 | Image forming apparatus | Takuji Takahashi, Takamasa Shiraki, Takaaki Hagihara, Takayuki Andoh, Yoshihide Ohta | 2012-01-24 |
| 8095041 | Fixing device and image forming apparatus | Yoshikazu Yamazoe, Osamu Saito, Takuya Etoh, Yutaka Naitoh | 2012-01-10 |
| 8089666 | Image forming apparatus | Takayuki Andoh, Takuji Takahashi, Takamasa Shiraki, Yoshihide Ohta, Kohji Hatayama | 2012-01-03 |
| 8070159 | Switchback mechanism and image forming apparatus | Haruyuki Honda, Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Toshikane Nishii +3 more | 2011-12-06 |
| 8045888 | Sheet conveying device and image forming apparatus | Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki +1 more | 2011-10-25 |
| 7982923 | Image forming apparatus | Takayuki Andoh, Takuji Takahashi, Takamasa Shiraki, Yoshihide Ohta, Kohji Hatayama | 2011-07-19 |
| 7963520 | Sheet loading device, sheet conveying device, and image forming apparatus | Mizuna Tanaka, Hiroshi Fujiwara, Tomoyoshi Yamazaki, Yasuhide Ohkubo, Haruyuki Honda +3 more | 2011-06-21 |
| 7954814 | Feeding device and image forming apparatus | Masafumi Takahira, Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Mizuna Tanaka +3 more | 2011-06-07 |
| 7918451 | Switchback mechanism and image forming apparatus | Haruyuki Honda, Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Toshikane Nishii +3 more | 2011-04-05 |
| 7890017 | Fixing device and image forming apparatus | Yutaka Naitoh, Yoshikazu Yamazoe, Osamu Saito, Takuya Etoh | 2011-02-15 |
| 7878725 | Image forming apparatus having removable units | Yasuhide Ohkubo, Hiroshi Fujiwara, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki +2 more | 2011-02-01 |
| 7873303 | Upper frame opening and closing mechanism, and image forming apparatus using the same | Yoshihide Ohta, Takuji Takahashi, Takamasa Shiraki, Takayuki Andoh, Kohji Hatayama | 2011-01-18 |
| 7784780 | Manual sheet-feeding device and image forming apparatus | Yasuhide Ohkubo, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki, Haruyuki Honda | 2010-08-31 |
| 7764905 | Assist members for an openable structure of an image forming apparatus | Yoshihide Ohta, Toshikane Nishii, Takuji Takahashi, Takamasa Shiraki, Takaaki Hagihara +1 more | 2010-07-27 |
| 7751751 | Image forming apparatus and damper | Yoshihide Ohta, Takuji Takahashi, Takamasa Shiraki, Takayuki Andoh | 2010-07-06 |
| 7731182 | Sliding mechanism, sheet guide, sheet loading device, and image forming apparatus | Toshikane Nishii, Hiroshi Fujiwara, Tomoyoshi Yamazaki, Yasuhide Ohkubo, Ippei Kimura +1 more | 2010-06-08 |
| 7181157 | Duplex image forming device and reversible transportation unit | — | 2007-02-20 |
| 7062196 | Duplex image forming device having a reversible transportation unit inserted into an image forming device | — | 2006-06-13 |
| 6970272 | Duplex automatic document feeder | — | 2005-11-29 |