| Patent | Date |
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Image forming apparatus having developer amount detector
Grant 7,068,955 - Yamamoto , et al. June 27, 2 | 2006-06-27 |
Memory Device Storing Information Warning A User About The Developer-remaining Amount, A Process Cartridge Including A Memory Storing Such Information, And A Control System And A Memory System For Warning A User About The Developer-remaining Amount
Grant 6,925,267 - Yamamoto , et al. August 2, 2 | 2005-08-02 |
Image Forming Apparatus Comprising Means For Detecting An Amount Of Developer Contained In A Developer Container, A Memory For Storing The Amount Detected By The Detecting Means, And Control Means For Updating The Information Stored In The Memory
Grant 6,912,366 - Yamamoto , et al. June 28, 2 | 2005-06-28 |
Image forming apparatus having a plurality of image forming stations, and unit detachably mountable on the apparatus
Grant 6,714,745 - Sasame , et al. March 30, 2 | 2004-03-30 |
Image forming apparatus and cartridge detachably attachable thereto
App 20030175039 - Yamamoto, Shinya ; et al. | 2003-09-18 |
Image forming apparatus, and use situation reporting system for reporting use situations of developer and other consumables stowed in image forming apparatus
Grant 6,594,451 - Kakeshita , et al. July 15, 2 | 2003-07-15 |
Image forming apparatus and unit detachably attachable to the same image forming apparatus and information displaying system related to unit detachably attachable to the same image forming apparatus
App 20030053809 - Ogata, Hiroaki ; et al. | 2003-03-20 |
Image forming apparatus having a plurality of image forming stations, and unit detachable mountable on the apparatus
App 20030039478 - Sasame, Hiroshi ; et al. | 2003-02-27 |
Image forming apparatus and cartridge detachably attachable thereto
App 20030035656 - Yamamoto, Shinya ; et al. | 2003-02-20 |
Image forming apparatus
Grant 6,453,139 - Sasame , et al. September 17, 2 | 2002-09-17 |
Image forming apparatus having a plurality of image forming stations, and unit detachably mountable on the apparatus
App 20010022900 - Sasame, Hiroshi ; et al. | 2001-09-20 |
Image forming apparatus
App 20010008589 - Sasame, Hiroshi ; et al. | 2001-07-19 |
Image forming apparatus, and use situation reporting system for reporting use situations of developer and other consumables stowed in image forming apparatus
App 20010004423 - Kakeshita, Tomomi ; et al. | 2001-06-21 |
Dot image data output apparatus
Grant 6,134,025 - Takeuchi , et al. October 17, 2 | 2000-10-17 |
Image forming apparatus with development control based on density detection of developed control image
Grant 5,940,654 - Uchiyama , et al. August 17, 1 | 1999-08-17 |
Image forming apparatus for performing correction control, based on density of toner image
Grant 5,873,010 - Enomoto , et al. February 16, 1 | 1999-02-16 |
Developing apparatus including a control function for applied periodic developing bias field
Grant 5,678,130 - Enomoto , et al. October 14, 1 | 1997-10-14 |
Image forming apparatus with delayed discharge by discharge means
Grant 5,666,597 - Sasame , et al. September 9, 1 | 1997-09-09 |
System for correcting a pulse-width-modulated signal in a recording apparatus
Grant 5,565,995 - Yamada , et al. October 15, 1 | 1996-10-15 |
Image forming apparatus having transfer material bearing member
Grant 5,539,507 - Miyashiro , et al. July 23, 1 | 1996-07-23 |
Image forming apparatus with select relation among distances in recording material conveyance path
Grant 5,508,796 - Sasame , et al. April 16, 1 | 1996-04-16 |
Developing apparatus
Grant 5,369,478 - Kobayashi , et al. November 29, 1 | 1994-11-29 |
Method of producing a cleaning blade with a lubricant surface
Grant 5,204,034 - Sasame , et al. April 20, 1 | 1993-04-20 |
Developing apparatus having a coated developing roller
Grant 5,202,729 - Miyamoto , et al. April 13, 1 | 1993-04-13 |
Image forming apparatus supplied with controllable bias voltage
Grant 5,177,549 - Ohtsuka , et al. January 5, 1 | 1993-01-05 |
Cleaning blade and apparatus employing the same
Grant 5,162,858 - Shoji , et al. November 10, 1 | 1992-11-10 |
Image forming apparatus having transfer member for carrying transfer material
Grant 5,153,654 - Yuminamochi , et al. October 6, 1 | 1992-10-06 |
Electrostatic lasar printer with a short side length of a modulation area formed by pulse width modulation set relative to a detected toner particle size
Grant 5,124,802 - Ito , et al. June 23, 1 | 1992-06-23 |
Image processing apparatus
Grant 4,864,419 - Saito , et al. September 5, 1 | 1989-09-05 |
Image processing process and apparatus therefor
Grant 4,814,886 - Kuge , et al. March 21, 1 | 1989-03-21 |
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