Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8989607 | Thermal fixing device and image forming apparatus including same which detects the speed of a belt on the outer surface of a fixing member | Satoshi Ueno, Tadashi Ogawa, Hiroshi Seo, Takamasa Hase, Shuutaroh Yuasa | 2015-03-24 |
| 8971782 | Fixing device, image forming apparatus incorporating same, and method for heating fixing rotary body | Kazuya Saito, Tadashi Ogawa, Takeshi Uchitani, Satoshi Ueno, Teppei Kawata +3 more | 2015-03-03 |
| 8953960 | Fixing device and image forming apparatus | Satoshi Ueno, Tadashi Ogawa, Teppei Kawata, Takamasa Hase, Kazuya Saito +2 more | 2015-02-10 |
| 8811842 | Fixing device and image forming apparatus | Takamasa Hase, Kenji Ishii, Tadashi Ogawa, Satoshi Ueno, Hiroshi Seo +2 more | 2014-08-19 |
| 8755733 | Fixing device, fixing method, image forming apparatus, and image forming method | Tadashi Ogawa, Satoshi Ueno, Hiroshi Seo, Shuutaroh Yuasa | 2014-06-17 |
| 8755732 | Image forming apparatus having a transfer unit for transferring an image to a recording sheet | Naoki Iwaya, Yoshiki Yamaguchi | 2014-06-17 |
| 8737861 | Fixing device and image forming apparatus | Takamasa Hase, Tadashi Ogawa, Takeshi Uchitani, Satoshi Ueno, Teppei Kawata +3 more | 2014-05-27 |
| 8718502 | Fixing device and image forming apparatus incorporating same having a tube which penetrates through a heater and passes infrared rays to a temperature detector | Shuutaroh Yuasa, Tadashi Ogawa, Satoshi Ueno, Hiroshi Seo, Teppei Kawata +4 more | 2014-05-06 |
| 8706016 | Fixing device and image forming apparatus incorporating the fixing device | Takahiro Imada, Tadashi Ogawa, Satoshi Ueno, Hiroshi Seo, Takamasa Hase +1 more | 2014-04-22 |
| 8626018 | Fixing unit and image forming apparatus | Tadashi Ogawa, Satoshi Ueno, Hiroshi Seo, Takahiro Imada, Takamasa Hase | 2014-01-07 |
| 8588628 | Fixing device and image forming apparatus | Tadashi Ogawa, Satoshi Ueno, Hiroshi Seo, Takamasa Hase, Shuutaroh Yuasa | 2013-11-19 |
| 8543046 | Fixing device, image forming apparatus incorporating same, and fixing method | Hiroshi Seo, Tadashi Ogawa, Satoshi Ueno, Shuutaroh Yuasa | 2013-09-24 |
| 8494434 | Fixing device and image forming apparatus incorporating the fixing device | Takamasa Hase, Kenji Ishii, Tadashi Ogawa, Satoshi Ueno, Hiroshi Seo +1 more | 2013-07-23 |
| 8488981 | Fixing device and image forming apparatus using the same | Shuutaroh Yuasa, Tadashi Ogawa, Satoshi Ueno, Hiroshi Seo, Takamasa Hase | 2013-07-16 |
| 8463166 | Fixing device and image forming apparatus | Satoshi Ueno, Tadashi Ogawa, Hiroshi Seo, Takamasa Hase, Takahiro Imada +1 more | 2013-06-11 |
| 8447199 | Fixing device and image forming apparatus including same | Satoshi Ueno, Tadashi Ogawa, Hiroshi Seo, Takahiro Imada, Takamasa Hase | 2013-05-21 |
| 8391743 | Fixing device and image forming apparatus incorporating same | Yoshiki Yamaguchi, Naoki Iwaya, Yutaka Ikebuchi | 2013-03-05 |
| 8385797 | Fixing device and image forming apparatus incorporating same | Tadashi Ogawa, Kenji Ishii, Satoshi Ueno, Hiroshi Seo | 2013-02-26 |
| 8364048 | Fixing device and image forming apparatus including same | Naoki Iwaya, Yoshiki Yamaguchi, Yutaka Ikebuchi | 2013-01-29 |
| 8346117 | Fixing device and image forming apparatus using same | Kenji Ishii, Tadashi Ogawa, Satoshi Ueno, Hiroshi Seo | 2013-01-01 |
| 8244168 | Image forming apparatus with movable transfer device | Hiroshi Yoshinaga, Naoki Iwaya, Yoshiki Yamaguchi | 2012-08-14 |
| 8195075 | Fixing unit having a resin surface and image forming apparatus using the same | Hiroshi Yoshinaga, Takayuki Yoshii, Kohji Kamiya | 2012-06-05 |
| 8023861 | Fixing device and image-forming apparatus comprising the same | Hiroshi Yoshinaga, Akira Shinshi, Naoki Iwaya, Yoshiki Yamaguchi | 2011-09-20 |
| 7546049 | Image forming device with a control means to correct the fixing control temperature | Ippei Fujimoto, Shinichi Namekata, Hiroshi Yoshinaga, Hirofumi Ogawa, Tadashi Ogawa +1 more | 2009-06-09 |
| 7509085 | Image forming apparatus, fixing apparatus and toner | Hiroshi Yoshinaga, Shinichi Namekata, Hiroyuki Shimada, Hirofumi Ogawa, Tadashi Ogawa +1 more | 2009-03-24 |