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Class Information
Number: 399/179
Name: Electrophotography > Image formation > Exposure > Formation of color separation images > To plural photoconductive members
Description: Subject matter wherein color separation images are exposed to a plurality of photoconductive members.

Patents under this class:

Patent Number Title Of Patent Date Issued
8223390 Systems and methods for reducing color registration errors in tandem engines Jul. 17, 2012
8123368 Optical beam scanning device, image forming apparatus Feb. 28, 2012
8068764 Image forming device Nov. 29, 2011
7997739 Optical beam scanning device, image forming apparatus Aug. 16, 2011
7835028 Image forming apparatus with color forming information applying unit that transmits light through image holding member and method thereof Nov. 16, 2010
7826771 Electrostatic latent image holder unit and image forming apparatus using the same Nov. 2, 2010
7822365 Image forming apparatus Oct. 26, 2010
7766491 Optical beam scanning device, image forming apparatus Aug. 3, 2010
7706725 Full-color image forming apparatus having variable power light source Apr. 27, 2010
7643190 Method for controlling image forming apparatus Jan. 5, 2010
7619642 Image forming apparatus Nov. 17, 2009
7581803 Image forming apparatus, method and computer readable medium for executing predetermined error processes in response to a moveable member error Sep. 1, 2009
7187890 Ion conductive roller and image forming apparatus employing ion conductive roller Mar. 6, 2007
7174125 Image forming apparatus Feb. 6, 2007
7061637 Method and apparatus for image forming capable of effectively collating a stack of single-/double-sided recording sheets in a desired ejection tray Jun. 13, 2006
7009629 Image forming apparatus with optical adjustors Mar. 7, 2006
6823158 Tandem style color image forming apparatus Nov. 23, 2004
6768886 Image forming apparatus Jul. 27, 2004
6201944 Tandem-type image forming apparatus operating in color mode and monochrome mode Mar. 13, 2001
6163327 Image forming apparatus for controlling the period of rotational driving of each toner image carrier Dec. 19, 2000
6154628 Image forming device with misregistration correction achieved by photo-conductor speed controlled variation of latent image tilt Nov. 28, 2000
6041205 Image processing apparatus for laying out plurality of images in conformity with image orientation Mar. 21, 2000
5933184 Color image forming device Aug. 3, 1999
5837408 Xerocolography tandem architectures for high speed color printing Nov. 17, 1998
5278589 Single pass color printer Jan. 11, 1994
5278587 Method and apparatus for image registration Jan. 11, 1994
RE34437 Apparatus for forming multicolor electrophotographic images through wet-type developing process Nov. 9, 1993
5014094 Process unit and a multi-color image forming apparatus using the same May. 7, 1991
4908287 Image forming method and apparatus therefor Mar. 13, 1990
4746950 Color copier May. 24, 1988
4742371 Optical system for color copier May. 3, 1988
4690542 Color copying apparatus Sep. 1, 1987
4664501 Method of and apparatus for producing duplicates in color May. 12, 1987
4660077 Color image forming apparatus Apr. 21, 1987
4610529 Apparatus for recording color images Sep. 9, 1986
4587536 Image recording apparatus with color detection May. 6, 1986
4577954 Two-color copying apparatus Mar. 25, 1986
4540992 Thermal color transfer system Sep. 10, 1985
4428662 Color reproduction apparatus Jan. 31, 1984
4371253 Color electrophotographic copier Feb. 1, 1983
4239370 Electrophotocopying machine for production of colored photocopies Dec. 16, 1980
4232961 Image formation apparatus Nov. 11, 1980
4162843 Color electrostatic copying machine Jul. 31, 1979

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