Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7133624 | Image forming apparatus and program update method in the apparatus | — | 2006-11-07 |
| 7031012 | Printing apparatus and its control method, and expendable attached to printing apparatus and having memory | — | 2006-04-18 |
| 6970659 | Image forming apparatus equipped with detachable process cartridge and control method therefor | — | 2005-11-29 |
| 6819907 | Image forming apparatus and image forming method | — | 2004-11-16 |
| 6816282 | Image forming apparatus for image formation on sheet | Tatsuto Tachibana, Kaoru Sato, Atsuya Takahashi | 2004-11-09 |
| 6785478 | Image formation apparatus and method for controlling the feed of a recording sheet prior to a print command | Atsuya Takahashi, Kaoru Sato, Tatsuto Tachibana | 2004-08-31 |
| 6634817 | Image forming apparatus | — | 2003-10-21 |
| 6631248 | Image forming apparatus with restorable non-volatile memory | — | 2003-10-07 |
| 6496660 | Image formation apparatus with printer engine control which judges whether recording sheets can be fed | Atsuya Takahashi, Kaoru Sato, Tatsuto Tachibana | 2002-12-17 |
| 6363227 | Image forming apparatus and control method for image forming apparatus which detects a status change with respect to an abnormality in the apparatus | — | 2002-03-26 |
| 6311024 | System for detecting the status of an image forming apparatus | Masako Takahashi | 2001-10-30 |
| 6266151 | Image forming apparatus for image formation on sheet | Tatsuto Tachibana, Kaoru Sato, Atsuya Takahashi | 2001-07-24 |
| 6130999 | Image forming apparatus, apparatus for supplying image data to image forming apparatus, and method of interfacing two apparatuses | Masako Takahashi | 2000-10-10 |
| 6021284 | Image forming apparatus, apparatus for supplying image data to image forming apparatus, and method of interfacing two apparatuses | Masako Takahashi | 2000-02-01 |
| 5883659 | Apparatus using a rotating polygon to form an image, the apparatus determining the polygon rotates stably at a predetermined rotation number | Yukihide Ushio | 1999-03-16 |
| 5850245 | Page printer | Masahiro Goto, Toshio Miyamoto, Yuko Ohkama, Saturo Izawa, Yozo Hotta +1 more | 1998-12-15 |
| 5694158 | Image forming apparatus with image carrier and sheet feed drive control | Junichi Kato, Masaki Ojima, Takahiro Inoue, Masahiro Goto, Koichi Hiroshima +10 more | 1997-12-02 |
| 5646717 | Image forming apparatus having charging member | Koichi Hiroshima, Masahiro Goto, Makoto Takeuchi, Tatsunori Ishiyama | 1997-07-08 |
| 5610646 | Image forming apparatus having improved resolution switching capabilities | Yukio Isaka, Akio Noguchi, Yukihide Ushio, Seiji Uchiyama, Kazuro Yamada +1 more | 1997-03-11 |
| 5550573 | Image forming apparatus using a photosensitive drum and having light quantity adjustment | Yukihide Ushio | 1996-08-27 |
| 5517284 | Fixing device | Masaki Ohtake | 1996-05-14 |
| 5512929 | Image forming apparatus with fixer temperature control | Akio Noguchi, Yukihide Ushio, Shimpei Matsuo, Kazuro Yamada, Seiji Uchiyama +10 more | 1996-04-30 |
| 5513012 | Image forming apparatus having density correction for image formation | Makoto Takeuchi, Akio Noguchi, Yukihide Ushio, Shimpei Matsuo, Seiji Uchiyama +1 more | 1996-04-30 |
| 5504588 | Image forming apparatus with optical reflective density of image adjusted according to image resolution discriminated from signal other than image signal | Makoto Takeuchi, Akio Noguchi, Yukihide Ushio, Shimpei Matsuo, Seiji Uchiyama +1 more | 1996-04-02 |
| 5475414 | Image forming apparatus having plural printing resolutions | Yukio Isaka, Akio Noguchi, Yukihide Ushio, Seiji Uchiyama, Kazuro Yamada +1 more | 1995-12-12 |