Issued Patents All Time
Showing 51–75 of 248 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6064848 | Two-sided color image forming apparatus | — | 2000-05-16 |
| 6058287 | Image forming apparatus having sheet conveyance device | Kunio Shigeta, Yotaro Sato, Hisayoshi Nagase, Shuta Hamada | 2000-05-02 |
| 6057866 | Color image forming apparatus and method using color compensation | Hiroyuki Tokimatsu | 2000-05-02 |
| 6041204 | Color image forming apparatus with an organic photoconductor | Hiroyuki Tokimatsu, Masahiro Onodera, Shuta Hamada | 2000-03-21 |
| 6021301 | Image forming apparatus which is equipped with an intermediate transfer body and which prevents toner from sticking to a transfer unit | Kunio Shigeta, Yotaro Sato, Hisayoshi Nagase, Toshihide Miura | 2000-02-01 |
| 6011575 | Image forming apparatus with line-shaped image exposure means | — | 2000-01-04 |
| 5995797 | Image forming apparatus which conveys unfixed toner images to a fixing device in an undisturbed and stable manner so that images may be formed on both sides of a sheet | Kunio Shigeta, Yotaro Sato, Hisayoshi Nagase, Toshihide Miura | 1999-11-30 |
| 5991563 | Image forming apparatus | Kunio Shigeta, Yotaro Sato, Hisayoshi Nagase | 1999-11-23 |
| 5978644 | Image forming apparatus | Yotaro Sato, Kunio Shigeta, Hisayoshi Nagase, Toshihide Miura | 1999-11-02 |
| 5970277 | Image forming apparatus | Kunio Shigeta, Yotaro Sato, Hisayoshi Nagase | 1999-10-19 |
| 5966569 | Image forming apparatus which includes spurred wheels provided on a conveyance section in a manner which makes jam clearance easy and which avoids damage to both the apparatus and an operator's hands | — | 1999-10-12 |
| RE36304 | Multiplex image reproducing method | Hisashi Shoji, Seiichiro Hiratsuka | 1999-09-14 |
| 5930572 | Apparatus for forming images on both sides of sheet | Kunio Shigeta | 1999-07-27 |
| 5930002 | Image forming apparatus having a single-body image forming drum unit | Hisayoshi Nagase, Hiroyuki Tokimatsu, Masahiro Onodera, Shuta Hamada, Toshihide Miura | 1999-07-27 |
| 5920744 | Image forming apparatus and method for efficiently forming images even after the occurrence of a jam | Akitoshi Matsubara, Masakazu Fukuchi, Tadayoshi Ikeda, Kunio Shigeta, Yotaro Sato | 1999-07-06 |
| 5905931 | Electrophotographic image forming apparatus | Kunio Shigeta, Yotaro Sato, Hisayoshi Nagase, Toshihide Miura | 1999-05-18 |
| 5899611 | Apparatus for forming an image on both sides of an image receiver | Yotaro Sato, Kunio Shigeta | 1999-05-04 |
| 5886728 | Image forming apparatus having a plurality of exposure devices which are radially arranged on a common supporting member with respect to a rotation axis of an image forming body | Shuta Hamada, Hisayoshi Nagase, Hiroyuki Tokimatsu, Masahiro Onodera, Toshihide Miura | 1999-03-23 |
| 5875372 | Image forming apparatus | Yotaro Sato, Kunio Shigeta, Akitoshi Matsubara, Tadayoshi Ikeda, Masakazu Fukuchi | 1999-02-23 |
| 5850247 | Image forming apparatus | Shuta Hamada, Hisayoshi Nagase, Hiroyuki Tokimatsu, Masahiro Onodera, Toshihide Miura | 1998-12-15 |
| 5840461 | Process for producing cylindrical substrate for image formation | Hisayoshi Nagase, Hiroyuki Tokimatsu, Masahiro Onodera, Shuta Hamada, Toshihide Miura +1 more | 1998-11-24 |
| 5826143 | Image forming apparatus with two transfer means | Kunio Shigeta, Yotaro Sato, Masakazu Fukuchi, Akitoshi Matsubara, Tadayoshi Ikeda | 1998-10-20 |
| 5822666 | Image forming apparatus including a mechanism for eliminating mechanical shock caused by a cleaning device | Kunio Shigeta, Yotaro Sato, Tadayoshi Ikeda, Masakazu Fukuchi, Akitoshi Matsubara | 1998-10-13 |
| 5799226 | Electrostatic image forming apparatus with transfer controls for different imaging modes | Kunio Shigeta, Yotaro Sato | 1998-08-25 |
| 5784666 | Color image forming apparatus | Hisayoshi Nagase, Shuta Hamada, Hiroyuki Tokimatsu, Toshihide Miura | 1998-07-21 |