Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7917065 | Image forming apparatus that collects and filters excess liquid developer | Ken Ikuma | 2011-03-29 |
| 7769325 | Developer conveying apparatus and image forming apparatus using the same | Ken Ikuma | 2010-08-03 |
| 7742723 | Developing device having cleaning blade for cleaning development roller | Ken Ikuma | 2010-06-22 |
| 7657210 | Developer collection system and image forming apparatus using the same | Ken Ikuma | 2010-02-02 |
| 7630671 | Developing system that distributes carrier to developer containers in a manner to achieve stable image formation | Ken Ikuma | 2009-12-08 |
| 7493066 | Developing device | Ken Ikuma | 2009-02-17 |
| 7418229 | Fusing unit that stabilizes a contact nip region | Ken Ikuma | 2008-08-26 |
| 7406286 | Fixing device and image forming apparatus including a heating roller with multiple heaters | Kenjiro Yoshioka, Kiyoteru Katsuki | 2008-07-29 |
| 7383008 | Fixing rubber roller, fixing device and image forming apparatus incorporating the same | — | 2008-06-03 |
| 7218883 | Image forming apparatus | Nobumasa Abe, Yujiro Nomura | 2007-05-15 |
| 7215917 | Fusing device with stable nipping portion | Ken Ikuma | 2007-05-08 |
| 7103307 | Fixing device and image forming apparatus incorporating the same | Ken Ikuma | 2006-09-05 |
| 7058345 | Transfer belt unit and image forming apparatus using the same | Nobumasa Abe, Yujiro Nomura | 2006-06-06 |
| 7024145 | Fixing device for fixing an unfixed toner image formed on a sheet-shaped recording medium | Ken Ikuma | 2006-04-04 |
| 6993270 | Belt member incorporated in image forming apparatus | Kenjiro Yoshioka, Kiyoteru Katsuki | 2006-01-31 |
| 6975829 | Device for fixing an image on a sheet medium | — | 2005-12-13 |
| 6907215 | Developing device and image forming apparatus incorporating the same | Shinji Yasukawa, Nobumasa Abe, Yujiro Nomura, Masanao Kunugi | 2005-06-14 |
| 6865361 | Transfer belt unit and image forming apparatus using the same | Nobumasa Abe, Yujiro Nomura | 2005-03-08 |
| 6799011 | Tandem-type color image forming apparatus | Nobumasa Abe, Yujiro Nomura | 2004-09-28 |
| RE37503 | Floppy disk drive device | Hideya Yokouchi, Kazuyoshi Fujimori | 2002-01-08 |
| 6336022 | Developing unit | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Yoichi Yamada, Yukio Takayama +1 more | 2002-01-01 |
| RE37426 | Floppy disk dive device | Hideya Yokouchi, Kazuyoshi Fujimori | 2001-10-30 |
| 6295433 | Developing unit having a conveying fin for loading a supply roller with toner | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Yoichi Yamada, Yukio Takayama +1 more | 2001-09-25 |
| 6226484 | Developing unit using specific developer composition | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Yoichi Yamada, Yukio Takayama +1 more | 2001-05-01 |
| 6198893 | Image forming apparatus having a plurality of developing units | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Yoichi Yamada, Yukio Takayama +1 more | 2001-03-06 |