Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7929884 | Image forming apparatus, developing unit, and computer system | Toshiya Takahata, Yoichiro Irie | 2011-04-19 |
| 7646994 | Image forming apparatus developing unit and computer system | Toshiya Takahata, Yoichiro Irie | 2010-01-12 |
| 7609403 | Printing device with multiple recording agent cartridges and corresponding print management method | Osamu Ishibashi, Keiichi Taguchi, Hiroshi Tanaka | 2009-10-27 |
| 7583399 | Printing device and print management method | Osamu Ishibashi, Keiichi Taguchi, Hiroshi Tanaka | 2009-09-01 |
| 7469117 | Image forming apparatus, developing unit, and computer system | Toshiya Takahata, Yoichiro Irie | 2008-12-23 |
| 7340201 | Image formation device, development unit, and computer system | Toshiya Takahata, Yoichiro Irie | 2008-03-04 |
| 7317880 | Image forming device for controlling density adjustment based on a type of development unit | Keiichi Taguchi | 2008-01-08 |
| 7292806 | Image forming apparatus and an image forming method using a plurality of monochromatic developer cartridges | Keiichi Taguchi, Osamu Ishibashi | 2007-11-06 |
| 7286775 | Image formation device enabling switching display of remaining developing agent in monochrome printing mode | Kazuyoshi Utsumi, Keiichi Taguchi | 2007-10-23 |
| 7251421 | Image forming apparatus for performing calibration without reducing throughput in printing | Keiichi Taguchi | 2007-07-31 |
| 7233749 | Image forming device for performing calibration by patch pattern | Keiichi Taguchi, Hiroshi Tanaka | 2007-06-19 |
| 7209672 | Image forming apparatus and an image forming method | Keiichi Taguchi, Hiroshi Tanaka, Osamu Ishibashi | 2007-04-24 |
| 7177568 | Image forming apparatus and an image forming method | Keiichi Taguchi, Osamu Ishibashi | 2007-02-13 |
| 7177586 | Apparatus and method of forming image using rotary developer | — | 2007-02-13 |
| 7171131 | Image forming apparatus, image forming system, and computer-readable storage medium | Akira Maruyama, Osamu Ishibashi, Masahiro Owa | 2007-01-30 |
| 7113728 | Image forming system and image forming apparatus | Masahiro Owa, Akira Maruyama, Osamu Ishibashi | 2006-09-26 |
| 7092653 | Image forming apparatus and image forming system | Akira Maruyama, Osamu Ishibashi, Masahiro Owa | 2006-08-15 |
| 6931229 | Apparatus and method of forming image using rotary developer | — | 2005-08-16 |
| 6873802 | Methods of verifying requirement for replacement of a main unit and of a component of image formation apparatus and judging advisability of recommendation for replacement | Yoshiro Koga, Ken Ikuma | 2005-03-29 |
| 5761567 | Image forming apparatus with jam detection for permitting completion of a copy operation | — | 1998-06-02 |
| 5732307 | Imaging apparatus having an imaging operation controlled in coordination with a sheet storage operation | Katsuji Furushige | 1998-03-24 |
| 5681493 | Multi-level energy saving temperature controller for image forming fixing unit | Tsukasa Sugiyama, Yoshiaki Tabata | 1997-10-28 |
| 5655207 | Image forming apparatus provided with a tab sheet inserting function | Tsukasa Sugiyama | 1997-08-05 |
| 5610700 | Image forming apparatus including a system for copying an image on two different sheet types | — | 1997-03-11 |
| 5268728 | Image forming apparatus with intermediate tray | Tsukasa Sugiyama | 1993-12-07 |