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Patent Searching and Data


Matches 651 - 700 out of 8,080

Document Document Title
JP2002131973
To provide a method for forming a full-color image by which high- quality full-color images can be fast obtained at a low cost.In the method for forming a full-color image, a magenta developer containing a magenta toner, a cyan developer...  
JP2002123029
To provide an electrophotographic planographic printing plate with an electrically conductive middle layer having no humidity dependence of the surface resistance and high surface smoothness, excellent in abrasion resistance, solvent and...  
JP2002123100
To provide an image forming method of a transfer fixing system by which high image quality is maintained over a long term.This image forming method has a transfer stage for transferring a toner image formed on an image carrier to an inte...  
JP2002123114
To provide an image forming method for preventing irregularities in an image and uneven toner melting at an image transfer process, and capable of controlling the glossiness of the image.As for the image forming method provided with the ...  
JP3293547
To provide an image forming method and a recording medium used therefor in which an image has a uniform and the same gloss as the recording medium independent of an image density and an image area ratio, and has no unevenness of color, a...  
JP3292155
To execute ozoneless injection electrification at low applied voltage by using a simple electrifying member such as an electrifying roller without causing trouble and to maintain high-quality image formation over a long term in an image ...  
JP3291959
PURPOSE: To control the toner concentration of a fresh developer to be at a normal value, at the time of exchanging of developer and to secure stable printing quality by filling a developing machine with a used developer discharged outsi...  
JP2002091109
To output a high-quality color image at high speed even in the case of using a multiple developing batch transfer method.As for previous color toner existing in a non-exposure area when entire electrification is performed after developin...  
JP2002082528
To provide an electrophotographic image forming method capable of obtaining an image of high quality without causing the scattering of characters, even in the case of making the electrophotographic device small in size and light in weigh...  
JP2002082527
To attain high image quality in a developing device, and to reduce the fluctuation of loads on a photoreceptor.The developer carrier of the developing device is provided with an auxiliary magnetic pole which is positioned adjacent to a d...  
JP2002082457
To provide an electrophotographic photoreceptor having stable practical characteristics and giving a high resolution output image even in the case of using writing light of LD or LED having an oscillation wavelength in the range of 350-5...  
JP2002072740
To provide an image forming apparatus capable of forming a liquid toner image without causing soiling, stickiness or paint-out.This image forming apparatus in which an image is developed, transferred, melted and fixed by using liquid ton...  
JP3284728
PURPOSE: To provide an image forming method capable of outputting full-color images with high brightness and black and white images with low brightness for the images consisting of the black and white images coexisting in the full- color...  
JP3282561
To eliminate the dirt on the surface of a panel heater and to enable an inexperienced person to set a new cleaning web without looseness by providing a take-up shaft supporting a web take-up bobbin with first and second specified one-way...  
JP3282050
PURPOSE: To attain fog-free high image density by enhancing the electrostatic chargeability of a magnetic toner in a developing unit without utilizing the triboelectric charge of both magnetic and nonmagnetic toners. CONSTITUTION: In a d...  
JP2002062663
To provide a method for quality control such that the state for plate making conditions of a positive image forming material for IR laser beam for direct plate making is easily judged and that feedback is given from the result to the dev...  
JP2002062727
To provide an image forming device, capable of preventing deterioration of the image quality, such as thinning of the image.In this image forming device, high image quality is maintained, by making the relation among relative speed (Vs/V...  
JP3281476
PURPOSE: To obtain a method of manufacturing a printed wiring board where a through-hole can be easily provided and which has a wiring pattern of high resolution. CONSTITUTION: A metal conductive layer is provided to an insulating board ...  
JP3281486
PURPOSE: To obtain a high-resolving power resist image using an electro-photographic photosensitive material, which can be used in laser direct lithography, by a method wherein an undercoating layer is formed on the surface of a second m...  
JP3278250
PURPOSE: To obtain a printing plate which is excellent in engraving image quality and printing image quality and having stable performance even when it is consecutively processed for a long time and to make it suitable for forming an ima...  
JP3278241
PURPOSE: To generate a printing plate having good reproduced image quality and printed image quality, having stable performance when overlappingly mounted during the work, and suitable for forming an image by the scanning exposure of las...  
JP3277290
PURPOSE: To provide the original plate for a planographic printing plate which is the original plate for the planographic printing plate having a photosensitive layer contg. a photoconductive material and a quinonediazide compd. on a con...  
JP2002040812
To obtain developer with which an image having excellent image density and having less fogging is formed.By using the developer including toner particles incorporating magnetic powder and binder resin and set so that the dynamic resistan...  
JP3274096
To provide a development method which is capable of electrifying toner to a specific polarity steadily, is suitable for developing the magnetic toner into a high resolution image, and is capable of developing the magnetic toner by pressu...  
JP3274097
To provide a development method which is capable of steadily electrifying toner to a specific polarity, is suitable for developing the nonmagnetic toner into a high resolution image, and is capable of developing the nonmagnetic toner by ...  
JP2002031912
To provide an electrostatic charge image developing toner and a method for forming images by using this toner with which stable images can be obtained for a long time.The electrostatic charge image developing toner is used for the method...  
JP2002023459
To provide a color image forming device capable of eliminating trouble caused by a toner reversely transferring phenomenon with simple constitution and made excellent in terms of cost.This image forming device is plurally provided with v...  
JP3270634
PURPOSE: To improve the dispersibility of a phthalocyanine compd. and to improve the electrical characteristics of the photoconductive layer of a photosensitive material for printing. CONSTITUTION: When a photoconductive layer contg. a p...  
JP2002014578
To provide an image forming device for realizing a service life detection of an image carrier with excellent accuracy, and capable of improving usability and minimizing a running cost.In this image forming device controlling the output o...  
JP3267201
To obtain an edge detector capable of accurately detecting the position of the leading edge of a master sheet supplied to a feeding roller. The plate making machine is constituted so that the master sheet X is supplied to the peripheral ...  
JP2001356520
To provide a toner and a method for image formation by which high transfer efficiency, high image density and high picture quality are obtained even in a device for image formation having a short period between development of the toner i...  
JP2001356668
To provide an improved system for precisely and repeatedly positioning various work stations in an electrophotographic printing machine.The printing machine/copying machine is provided with a pair of drum supporting members 32 and 32' to...  
JP2001356516
To provide a toner for one component development which can maintain good fluidity even when rather large stress is added to the toner particles and which can form an image of high picture quality.The toner for one component development i...  
JP2001343828
To unnecessitate or simplify the special sealing of a fine hole caused by anodic oxide coating applied to a developing roller.Sand blast treatment is performed to the surface of the developing roller 4 coming into contact with a photosen...  
JP2001343835
To provide an image forming method and image forming device which are good in halftone and character reproducibility by using an organic photoreceptor formed with a siloxane resin layer as a protective layer.The photoreceptor is an organ...  
JP2001343779
To provide an image forming device, whose running cost is reduced and which is environmental friendly by decreasing the consumption of toner after satisfying a user's requirement on image quality, saving the toner excessively stuck to an...  
JP3257514
To obtain the exposure optical device of a plate making machine by which density unevenness on a master paper surface caused by direct light and reflected light from an illuminating lamp is eliminated. As for the exposure optical device ...  
JP2001337482
To provide an image formation controller capable of easily and surely printing an optional watermark on an optional page in one printing processing, and to provide an image forming device which is controlled by the image formation contro...  
JP3252604
PURPOSE: To achieve high-speed operability, robustness against external disturbance factors, and a simple construction by jetting magnetic particles using magnetic field. CONSTITUTION: When a magnet roller 10 is rotated, shifting magneti...  
JP3253042
PURPOSE: To provide a two-component developer of a little 'toner spent' (a phenomenon such that the surface of carrier is contaminated with toner components) and high durability. CONSTITUTION: This non-magnetic two-component developer co...  
JP2001318505
To prevent a transfer blur such that a transferred image looks blurred and an image flow such that an image is recorded flowingly.A photoreceptor drum 1 where an electrostatic latent image is formed on the surface and a toner image is fo...  
JP2001318516
To provide an electrophotographic method and device which deal with the higher speed and longer life of the electrophotographic device using an optical system of coherent light of an image exposure, beam scanning type, etc., and are wide...  
JP2001312091
To provide an image forming device which can form an image without any void or blur for a long time and prevent deterioration in an image after being transferred.The image forming device is equipped with (i) an electrostatic charge image...  
JP2001305894
To get a color image of a chromatic color toner and a frosted image of a black toner part that don't generate offset by suppressing the surface coarseness of fusing parts by a sheet of image forming at low temperature.The toner 5a above ...  
JP2001305852
To provide a method which is capable of forming a high quality image with a stability and no fogging being produced even under a change with time and a change of an environment.In the development method using a minus toner in which a cha...  
JP2001305800
To obtain a developer suitable for a fixing device of an electromagnetic induction heating method.The developer contains toner particles containing a binder resin having 1 to 30 acid value, 40 to 65°C glass transition point and 80 to 14...  
JP2001305895
To get a color image of a chromatic color toner and a frosted image of a black toner part without generating an offset by suppressing the surface coarseness of fixing parts by a sheet of image forming at low temperature.The toner 5a abov...  
JP3244544
PURPOSE: To eliminate the irregularity of image density and the unevenness of color developed in a specified pattern on a transferred image even in the case of applying optimum transfer electric field by electrically measuring the physic...  
JP3245210
PURPOSE: To realize an image transferring method where service life of a transfer belt is prolonged and the transferred image in good condition can be obtained for a long time. CONSTITUTION: In the image transferring method using a trans...  
JP3245058
To obtain an image which shows stable density from the initial period of formation and has uniform density without fog or irregularity even under low humidity or high humidity conditions, to prevent deposition, melt sticking or filming o...  

Matches 651 - 700 out of 8,080