| Patent | Date |
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Image processing method, apparatus and controller
Grant 7,031,020 - Aoki , et al. April 18, 2 | 2006-04-18 |
Dot image data output apparatus
Grant 6,134,025 - Takeuchi , et al. October 17, 2 | 2000-10-17 |
Image processing method, apparatus and controller
Grant 6,111,664 - Aoki , et al. August 29, 2 | 2000-08-29 |
Image forming apparatus and method
Grant 5,875,044 - Seto , et al. February 23, 1 | 1999-02-23 |
Information recording apparatus for recording images using plural information signals corresponding to respective plural colors
Grant 5,828,396 - Seto , et al. October 27, 1 | 1998-10-27 |
Halftone image recording apparatus and method based on first and second timing signals chosen from a plurality of synchronized clocks
Grant 5,760,811 - Seto , et al. June 2, 1 | 1998-06-02 |
Image processing system having variably controllable pixel density patterns
Grant 5,696,853 - Kawana , et al. December 9, 1 | 1997-12-09 |
Color image forming apparatus which reduces toner consumption during image formation
Grant 5,646,670 - Seto , et al. July 8, 1 | 1997-07-08 |
Image processing method and apparatus
Grant 5,596,426 - Ueno , et al. January 21, 1 | 1997-01-21 |
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 processing apparatus which selects from one of plural generated clock counts
Grant 5,495,341 - Kawana , et al. February 27, 1 | 1996-02-27 |
Image forming apparatus having toner depletion detection feature
Grant 5,471,284 - Fujii , et al. November 28, 1 | 1995-11-28 |
Recording apparatus with image modification for increased image resolution
Grant 5,465,157 - Seto , et al. November 7, 1 | 1995-11-07 |
Image forming apparatus
Grant 5,414,493 - Fujii , et al. May 9, 1 | 1995-05-09 |
Image processing apparatus
Grant 5,386,302 - Kashihara , et al. January 31, 1 | 1995-01-31 |
Image processing method and apparatus having high tone quality
Grant 5,379,126 - Seto , et al. January 3, 1 | 1995-01-03 |
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 |
Safety apparatus for detecting an abnormality of power control element
Grant 4,882,782 - Kimizuka , et al. November 21, 1 | 1989-11-21 |
Recording apparatus capable of multiple recording on one or both sides of a sheet
Grant 4,853,740 - Ushio , et al. August 1, 1 | 1989-08-01 |
Image forming apparatus comprising an image bearing member driven at a predetermined constant speed
Grant 4,761,662 - Yoshimoto , et al. August 2, 1 | 1988-08-02 |
Laser beam printer
Grant 4,712,118 - Seto , et al. December 8, 1 | 1987-12-08 |
Motor control device
Grant 4,639,649 - Seto January 27, 1 | 1987-01-27 |
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