Easy To Use Patents Search & Patent Lawyer Directory

At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.

Searching: ricoh





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-8,295,642 Image processing apparatus, image processing method, and computer program product
A first line sensor optically reads a first surface of an original in a main scanning direction to obtain first line image data. A second line sensor arranged...
US-8,295,618 Image processing apparatus, image processing method, and computer program product
In an image processing apparatus, an encoding unit encodes a processed image; a determining unit determines whether a reference pixel has been subjected to the...
US-8,295,606 Device and method for detecting shadow in image
A device for detecting a shadow region in an image includes an imaging module generating a multi-channel image including brightness, red, green, and blue...
US-8,295,146 Extraction optical system, optical pick-up device and optical disc apparatus
An extraction optical system for use in an optical pick-up device receiving a reflected light from an optical disc having a plurality of recording layers is...
US-8,295,141 Pattern and method for forming the same
The present invention provides a method for forming a pattern, containing: stacking a master having at least a two-dimensional pattern or a three-dimensional...
US-8,295,064 Operation control method of charge pump circuit
A disclosed operation control method of a charge pump circuit for boosting an input voltage to a desired magnitude in the range between the input voltage and...
US-8,294,957 Data processing apparatus and method of using the same
In a data processing apparatus of the present invention, a disk unit storing a disk is mounted on the apparatus such that the surface of the disk is parallel to...
US-8,294,954 Image forming apparatus and method for reducing the difference of image qualities between the image data read...
An image processing controlling unit calculates an image processing parameter to reduce an image quality difference between image data read by a first reading...
US-8,294,932 Image forming apparatus, image forming system, and image forming method
In an image forming apparatus that receives print data from an external device and prints out the print data in response to a print command, a searching unit...
US-8,294,929 Image forming apparatus, image forming system, method of printing sample print, and computer program product
An image forming apparatus is able to select a paper-delivery destination for a print output. The image forming apparatus includes a print-process managing unit...
US-8,294,922 Image forming apparatus, user restriction method and use history generation method
An image forming apparatus is provided, in which the image forming apparatus includes a user database in which user identification information for identifying...
US-8,294,918 Apparatus and method for generating a simulated image including an identified image abnormality
An image forming apparatus includes a failure prediction unit, an image identification unit, a simulated-image generating unit, and an output unit. The failure...
US-8,294,807 Imaging system with variable opto-mechanical system, aberrated optics and compensating filter bank
A weighted sum of a set of component filters is used to effectively apply different "composite" FIR filters to compensate for aberrations resulting from...
US-8,294,774 Imager that photographs an image using a rolling shutter
An imager is provided having an imaging sensor and a focusing detector. The imaging sensor reads stored charges in a positive or negative direction and outputs...
US-8,294,745 Optical writing device and optical writing method
An optical writing device includes a light source that emits multiple laser beams; a separating unit that separates each of the multiple laser beams into a...
US-8,294,744 Optical writing device, image forming apparatus, method of controlling optical writing device, and computer...
An optical writing device includes: a light source including arrays arranged in a main scanning direction, each array including light-emitting elements arranged...
US-8,294,434 Constant current output control type switching regulator
A constant current output control type switching regulator that reduces the number of parts, resolves the loss of the current running in the resistor, and...
US-8,294,433 Constant current supply type of switching regulator
A disclosed constant current supply type switching regulator includes a switching element configured to activate a switch operation depending on an input...
US-8,293,679 Method for erasing image on thermoreversible recording medium
A method for erasing an image including irradiating an image formed on a thermoreversible recording medium with a laser light having a wavelength of 700 nm to...
US-8,293,555 Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production...
A semiconductor light-emitting device has a semiconductor layer containing Al between a substrate and an active layer containing nitrogen, wherein Al and oxygen...
US-8,293,442 Resin particle, toner, and image forming method and process cartridge using the same
Disclosed is a resin particle having a volume average particle diameter of 10 nm to 500 nm, obtained by polymerizing an addition polymerizable monomer...
US-8,293,439 Electrophotographic photorecptor, method of manufacturing electrophotographic photorecptor, image forming...
An electrophotographic photoreceptor including a conductive substrate, a photosensitive layer, and a surface layer, which satisfies the following inequations:...
US-8,292,416 Inkjet printer head
An inkjet printer head includes a nozzle plate having nozzles for jetting ink; a flow path plate having flow paths for communicating with the nozzles, each of...
US-8,292,414 Ink cartridge and an imaging apparatus
An ink cartridge attachable to and detachable from an imaging apparatus, and including an ink accommodating unit; and a cartridge casing having an opening,...
US-8,291,315 Standardized network access to partial document imagery
A method, apparatus and article of manufacture for network access of partial document imagery is described. In one embodiment, the method comprises receiving a...
US-8,291,225 Communications apparatus, communications system, and method of setting certificate
An apparatus in a system which includes at least a high-level apparatus and a plurality of low-level apparatuses, said apparatus being one of the low-level...
US-8,290,413 Image forming apparatus
An image forming apparatus includes a first image carrier facing an intermediate transfer belt, a primary transfer unit primarily transferring images on the...
US-8,290,411 Image forming apparatus having a pre-transfer neutralizing device to reduce an electric potential to facilitate...
An image forming apparatus including a latent image bearing member, a charger to evenly charge a surface of the latent image bearing member, an electrostatic...
US-8,290,399 Belt device and image-forming apparatus
A belt device for an image forming apparatus includes an endless belt member supported at roller members, side frames disposed along sides of the belt member...
US-8,290,378 Image forming apparatus having a magnetic field generating unit at the toner carrying section
An image forming apparatus is disclosed. The image forming apparatus includes a toner supplying device, a toner container, and a developing device. The toner...
US-8,290,312 Information processing apparatus, method of processing information, control program, and recording medium
An information processing apparatus for processing image data including character information, the processing of image data including a process of inserting...
US-8,290,159 Data recovery method, image processing apparatus, controller board, and data recovery program
A disclosed data recovery method, image processing apparatus, controller board, and data recovery program enable data stored encrypted in a storage unit within...
US-8,289,744 Power supply unit, image forming apparatus, and method for controlling power supply
In an image forming apparatus, a monitoring unit monitors whether a returning factor required to switch an operational state of the apparatus from a...
US-8,289,617 Optical low-pass filter and imaging apparatus having same
An optical low-pass filter is disposed on a light-receiving surface of an imaging device. The filter has a light-transmitting substrate including at least one...
US-8,289,600 Optical scanning device, light screening material, method for screening flare light, and image formation apparatus
A disclosed optical scanning device includes: a plurality of light beam irradiation devices irradiating a light beam; a deflector deflecting the plural light...
US-8,289,585 Image scanning device and image forming apparatus including the same
A disclosed image scanning device includes a document table; a document pressing unit configured to press a document placed on the document table; a scanning...
US-8,289,582 Optical beam scanning apparatus and digital writing apparatus
An optical beam scanning apparatus is disclosed, including: a laser source that emits an optical beam, a deflection part that deflects the optical beam, a light...
US-8,289,572 Estimation of ink/toner coverage when printing
In summary, the present invention provides a method, apparatus and program product for calculating an estimate of the amount of toner coverage required for...
US-8,289,552 Image forming apparatus and image forming method
A determining unit calculates an estimated time until drawing data is transmitted to an engine, and transmits the drawing data, a print instruction, and the...
US-8,289,551 Approach for processing print data without a client print driver
An approach is provided for processing print data without a client print driver. A print agent is configured to discover a conversion service using Web...
US-8,289,549 Controller unit, method of controlling image processing, and recording medium
A scanner image-processing unit includes a scanner-property adjusting unit that converts image data from a scanner unit into normalized image data and a first...
US-8,289,543 Image forming apparatus, image forming system, and image forming method
A scanner unit reads a code image from a recording medium. A detecting unit detects a medium identification from the code image. An identification obtaining...
US-8,289,537 Translating PDL-based print stream to job ticket-based print stream
Using techniques described herein, separate "job ticket" data and printable data may be generated automatically from a PDL-compliant print stream. According to...
US-8,289,357 Light beam number changeable optical writing apparatus
An optical writing apparatus includes a light source device that includes a VCSEL having an alignment of at least two channels in a sub scanning direction...
US-8,289,000 Charge control circuit
When a control circuit detects from a signal CPO4 that a battery voltage is less than a sixth reference voltage, a constant current operation in VFM control is...
US-8,288,978 Motor driver
A motor driver, including a bridge circuit including a switching element and a diode, connecting with a coil terminal of each phase of a polyphase motor; a...
US-8,287,122 Image forming apparatus
An image forming apparatus in which unintentional operation of the operation unit does not occur when sheets on which images have been formed or sheets prior to...
US-8,287,076 Conveying distance control device, recording apparatus, conveying distance control method, and storage medium
A conveying distance control device includes a conveying roller; a first detecting unit detecting rotational positions of the conveying roller; a line sensor...
US-8,286,965 Automatic document feeder with jam determination control
An automatic document feeder includes a controller that compares an input original length that is received from a main operating unit and an actual original...
US-8,286,958 Spine formation device, post-processing apparatus, spine formation system, and spine formation method
An spine formation device includes a sheet conveyer that conveys the bundle of folded sheets in a sheet conveyance direction with a folded portion of the bundle...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | Next →

File A Patent Application

  • Protect your idea -- Don't let someone else file first. Learn more.

  • 3 Easy Steps -- Complete Form, application Review, and File. See our process.

  • Attorney Review -- Have your application reviewed by a Patent Attorney. See what's included.