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| US4354757 | 1 Nov 1976 | 19 Oct 1982 | | Xerographic or electrostatic copying apparatus capable of copying only selected lines, paragraphs or other such sections of an original |
| US4685794 | 13 Sep 1985 | 11 Aug 1987 | Kabushiki Kaisha Toshiba | Image forming apparatus |
| US4745443 | 22 Dec 1986 | 17 May 1988 | Canon Kabushiki Kaisha | Copying apparatus |
| US4777510 | 9 Dec 1987 | 11 Oct 1988 | Eastman Kodak Company | Copying apparatus and method with editing and production control capability |
| US4814824 | 28 Jan 1988 | 21 Mar 1989 | Minolta Camera Kabushiki Kaisha | Image duplicating apparatus |
| US4825250 | 17 Aug 1987 | 25 Apr 1989 | Canon Kabushiki Kaisha | Image forming apparatus including exposure scanning means |
| US4845525 | 1 Dec 1987 | 4 Jul 1989 | Minolta Camera Kabushiki Kaisha | Image forming apparatus for forming special information upon copying a document image |
| US4847654 | 18 Nov 1986 | 11 Jul 1989 | Canon Kabushiki Kaisha | Image forming apparatus for processing different areas on an original in different ways |
| US4857955 | 28 Sep 1987 | 15 Aug 1989 | Eastman Kodak Company | Electronic printer apparatus with intelligent accent color |
| US4862216 | 26 Jan 1988 | 29 Aug 1989 | Minolta Camera Kabushiki Kaisha | Multicolor copying apparatus |
| US4866474 | 22 Jan 1988 | 12 Sep 1989 | Minolta Camera Kabushiki Kaisha | Copying apparatus capable of forming a composite image of an outline image and a normal image |
| US4884096 | 13 Jul 1988 | 28 Nov 1989 | Minolta Camera Kabushiki Kaisha | Multiple color image forming apparatus |
| US4885611 | 22 Feb 1988 | 5 Dec 1989 | Minolta Camera Kabushika Kaisha | Multicolor image forming apparatus |
| US4887129 | 2 May 1988 | 12 Dec 1989 | | Editing copying machine |
| US4901100 | 18 Aug 1988 | 13 Feb 1990 | Xerox Corporation | Single pass color highlighting copying system |
| US4914454 | 12 Apr 1989 | 3 Apr 1990 | Minolta Camera Kabushiki Kaisha | Image recording system capable of forming image with different colors in different areas |
| US4914486 | 18 Jan 1989 | 3 Apr 1990 | Minolta Camera Kabushiki Kaisha | Image forming apparatus having simultaneous multicolor copying mode |
| US4931875 | 12 Apr 1989 | 5 Jun 1990 | Minolta Camera Kabushiki Kaisha | Image recording system capable of forming image area by area |
| US4935779 | 19 Jun 1989 | 19 Jun 1990 | Minolta Camera Kabushiki Kaisha | Single scan, multicolor imaging forming apparatus capable of adjusting the image density of each color |
| US4935781 | 13 Nov 1987 | 19 Jun 1990 | Minolta Camera Kabushiki Kaisha | Image forming apparatus having color editing function |
| US4947210 | 27 Jun 1988 | 7 Aug 1990 | Minolta Camera Kabushiki Kaisha | Multi-color copying machine |
| US4952983 | 29 Aug 1989 | 28 Aug 1990 | Minolta Camera Kabushiki Kaisha | Multi-colored image forming apparatus |
| US4952987 | 22 Feb 1988 | 28 Aug 1990 | Minolta Camera Kabushiki Kaisha | Copying machine having plural developing units |
| US4956679 | 22 Apr 1988 | 11 Sep 1990 | Minolta Camera Kabushiki Kaisha | Image forming apparatus |
| US4958190 | 18 Oct 1989 | 18 Sep 1990 | Minolta Camera Kabushiki Kaisha | Image forming apparatus |
| US4963935 | 8 Nov 1989 | 16 Oct 1990 | Minolta Camera Kabushiki Kaisha | Copying apparatus |
| US4989049 | 14 Aug 1989 | 29 Jan 1991 | Minolta Camera Kabushiki Kaisha | Multi-color image forming apparatus |
| US4990968 | 26 Jul 1988 | 5 Feb 1991 | Minolta Camera Kabushiki Kaisha | Multi-colored image forming apparatus |
| US5023705 | 12 Jan 1989 | 11 Jun 1991 | Minolta Camera Kabushiki Kaisha | Apparatus for forming a three color image including a first, a second, and a black color from two complimentary colors |
| US5025288 | 31 Oct 1989 | 18 Jun 1991 | Minolta Camera Kabushiki Kaisha | Image forming apparatus capable of preventing simultaneous rotation of the magnet roll and the developing sleeve |
| US5028958 | 17 Aug 1988 | 2 Jul 1991 | Minolta Camera Kabushiki Kaisha | Copying apparatus with simultaneous multi-color single cycle copying |
| US5041876 | 19 Jan 1990 | 20 Aug 1991 | Minolta Camera Kabushiki Kaisha | Multi-color image forming apparatus incorporating selectively operable developing units for one cycle copying |
| US5049933 | 23 Jan 1990 | 17 Sep 1991 | Minolta Camera Kabushiki Kaisha | Image edit input device for use in copying machine |
| US5057876 | 5 Mar 1990 | 15 Oct 1991 | Minolta Camera Kabushiki Kaisha | Image forming apparatus with an image editing function |
| US5066986 | 1 Feb 1989 | 19 Nov 1991 | Minolta Camera Kabushiki Kaisha | Image recording system for controlling developing devices |
| US5068690 | 28 Feb 1991 | 26 Nov 1991 | Minolta Camera Kabushiki Kaisha | Copying apparatus with image editing device |
| US5070363 | 17 Feb 1989 | 3 Dec 1991 | Minolta Camera Kabushiki Kaisha | Counting system for use in a copying machine |
| US5075787 | 14 Sep 1989 | 24 Dec 1991 | Eastman Kodak Company | Reproduction apparatus and method with alphanumeric character-coded highlighting for selective editing |
| US5083162 | 3 Oct 1989 | 21 Jan 1992 | Minolta Camera Kabushiki Kaisha | Image duplicating apparatus including an editing function |
| US5084717 | 30 Oct 1990 | 28 Jan 1992 | Minolta Camera Kabushiki Kaisha | Image recording system |
| US5113229 | 25 Jul 1989 | 12 May 1992 | Minolta Camera Kabushiki Kaisha | Multi-color copying machine having a simultaneous color copy mode and an edited area copy mode |
| US5115282 | 11 Jan 1991 | 19 May 1992 | Minolta Camera Kabushiki Kaisha | Copying apparatus capable of copying in two colors simultaneously |
| US5134440 | 9 Aug 1989 | 28 Jul 1992 | Minolta Camera Kabushiki Kaisha | Device and method for forming an image of a document in more than one color including automatic or user selection of colors to be used in specified areas of the document |
| US5138465 | 14 Sep 1989 | 11 Aug 1992 | Eastman Kodak Company | Method and apparatus for highlighting nested information areas for selective editing |
| US5144372 | 8 Oct 1991 | 1 Sep 1992 | Minolta Camera Kabushiki Kaisha | Copying machine operable in simultaneous multi-color mode |
| US5153645 | 10 Apr 1990 | 6 Oct 1992 | Minolta Camera Kabushiki Kaisha | Position indexing indicators for editing an image forming apparatus |
| US5159390 | 26 Aug 1991 | 27 Oct 1992 | Minolta Camera Kabushiki Kaisha | Image forming apparatus capable of forming images of two separate documents on two separate copy sheets with a single exposure |
| US5177530 | 10 Jul 1990 | 5 Jan 1993 | Minolta Camera Kabushiki Kaisha | Copying machine having plural developing units |
| US5194905 | 29 Nov 1990 | 16 Mar 1993 | Xerox Corporation | Color printer apparatus for printing selected portions of latent images in various colors |
| US5206689 | 21 Apr 1989 | 27 Apr 1993 | Minolta Camera Kabushiki Kaisha | Copy ratio setting apparatus |
| US5268717 | 26 Aug 1991 | 7 Dec 1993 | Minolta Camera Kabushiki Kaisha | Image forming apparatus and image forming method |
| US5274468 | 27 Jun 1991 | 28 Dec 1993 | | Reproduction apparatus and method with user-definable editing and machine operation functions |
| US5655062 | 2 Mar 1995 | 5 Aug 1997 | Eastman Kodak Company | Accent color printing |
| US6373602 | 12 Feb 1999 | 16 Apr 2002 | Canon Kabushiki Kaisha | Facsimile transmission of highlight information |