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-7,526,241 Method and apparatus for image forming capable of effectively correcting a misregistration of an image
An image forming apparatus forming a color image with color toners includes a plurality of image forming members, an image transfer member, a plurality of...
US-7,526,240 Image forming apparatus including a plurality of photoconductive elements developing devices and mirrors
An image forming apparatus including a plurality of photoconductive elements arranged on an inclined plane with respect to the ground, a plurality of developing...
US-7,526,238 Developing device, process cartridge and image forming apparatus moving toner particles by a phase-shifting...
Development device includes an electrostatic conveyance device, a supply device, and a collection device. The electrostatic conveyance device moves toner on a...
US-7,526,233 Driving device, an image forming device, and an image forming apparatus
A driving device, an image forming device, and an image forming apparatus are disclosed. In at least one embodiment, the image forming device includes a first...
US-7,526,231 Driven unit installable in an image forming apparatus with a reduced force
An image forming apparatus includes a driver unit, a driver control unit, a drive gear, a drive-force output gear, and a driven unit. The drive gear is driven by...
US-7,526,230 Mark sensing device, turnable body driving device and image forming apparatus
A mark sensing device of the present invention senses marks formed on a turnable body in a preselected periodic pattern in a direction of movement of the...
US-7,526,223 Heat exhausting structure and image forming apparatus
A housing in which a heat source for heating a member to be heated is disposable includes a first end and a second end in a longitudinal direction. Each of the...
US-7,526,219 Image forming apparatus and method of calculating an amount of toner transfer by converting regular reflection...
An amount of toner transfer on a reference pattern is calculated by using an optical detecting unit that detects both regular reflection light and diffuse...
US-7,526,144 Image processing method, image expansion method, image output method, image conversion method, image processing...
An image processing method generating a single image group file from a plurality of still images, by setting an output sequence of the plurality of still images,...
US-7,526,134 Image processing apparatus, program, recording medium, and data decompression method
An image processing apparatus includes a decompressing unit decompressing image data having a first data compression format, an obtaining unit obtaining a second...
US-7,526,133 Image processing apparatus, image processing program, and storage medium
An image processing apparatus comprises a compression coding unit that performs compression coding of image data according to JPEG2000 algorithm. A coding style...
US-7,525,888 Optical information recording medium, an optical information recording apparatus, an information processing...
An optical information recording apparatus can maintain a stable recording quality when recording information on an optical information recording medium having a...
US-7,525,817 Wiring layout of auxiliary wiring package and printed circuit wiring board
A printed circuit board wiring system including a printed wiring circuit board having a plurality of conductive layers, at least one electronic part mounted on...
US-7,525,716 Display device and display apparatus
To provide a display device which includes: a display electrode; a counter electrode provided to face the display electrode; a display layer provided on the...
US-7,525,710 Scanning and imaging optical system, optical scanner, and image forming apparatus with lenses of different...
A scanning and imaging optical system that condenses beams of light deflected by an optical deflector toward a surface to be scanned to form a light spot for...
US-7,525,703 Method, apparatus and computer product program for performing shading correction of image processing apparatus
An image reading apparatus includes an abnormal pixel detection device configured to examine a value of standard white image data, which is acquired by reading a...
US-7,525,694 Image processing device, image processing method, image processing program, and recording medium
An image processing system is provided that performs object-oriented image processing and collectively manages image data, image elements, and the history and...
US-7,525,692 Method and apparatus for image reading capable of obtaining adequate white reference data for shading correction
An image reading method and apparatus. A reader is mounted and reads one side of an original document being conveyed at a reading position. A contact glass...
US-7,525,688 Image processing apparatus, image processing method and information recording medium
A subject area extracting unit extracts a main-subject area from the color image data; a correction amount calculating unit calculates a gradation correction...
US-7,525,561 Optical scanner and image forming apparatus
An optical scanner is capable of effectively correcting a difference with respect to the sub-scanning direction between the positions of optical spots for...
US-D591,339 Laser printer
US-D591,337 Toner cartridge holder
US-D591,336 Toner cartridge
US-7,523,073 Charging method and charging apparatus
A method of charging for use of a facsimile apparatus, using an information processing unit provided therein, is disclosed that includes the steps of (a) the...
US-7,522,857 Toner, image forming apparatus using the same and process cartridge
The object is to provide a toner which can be smoothly replenished by a toner replenishing device using a powder pump even when the toner contains a releasing...
US-7,522,853 Method and unit of controlling applied voltages for uniformly charging a photoreceptor
A method of controlling AC voltages applied to a charging member to bring a photoreceptor to a state of uniform charging, with reduced time required for setting...
US-7,522,850 Image forming apparatus, process cartridge, developing unit, and image forming method
A carrier and a dummy toner are stored in a developing unit of a process cartridge in a brand new status. A plurality of process cartridges corresponding to a...
US-7,522,778 Image decoding technique for suppressing tile boundary distortion
An image decoding device for decoding a hierarchically encoded compressed code obtained by dividing an image into a plurality of tiles and performing discrete...
US-7,522,510 Electron beam applying apparatus and drawing apparatus
An electron beam applying apparatus includes: a thermal field emission type electron source emitting an electron beam; an electrostatic lens disposed immediately...
US-7,522,494 Control of laser emission power for recording information on optical disc
An optical disc apparatus for recording and reproducing information with respect to a rewritable optical disc includes a reproducing unit configured to reproduce...
US-7,522,489 Initialization method, reproduction method, computer-executable program product, computer-readable recording...
When an information recording medium is initialized, a block is determined to record the dummy data by referring to identification information for identifying a...
US-7,522,432 Switching regulator and control circuit and method used therein
A switching regulator that performs voltage regulation using synchronous rectification in step-up and step-down modes includes input and output terminals, an...
US-7,521,164 Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method
A toner which includes a toner material, wherein the toner satisfies the following formula: 0.degree. C..ltoreq..DELTA.Tm.ltoreq.20.degree. C. where .DELTA.Tm...
US-7,521,161 Electrophotographic photoreceptor, undercoat layer coating liquid therefor, and image forming apparatus and...
An electrophotographic photoreceptor, including an electroconductive substrate; an undercoat layer located overlying the electroconductive substrate; and a...
US-7,520,579 Image forming apparatus having droplet speed control
An image forming apparatus includes a recording head, and a drive pulse generator. The recording head includes a nozzle to discharge a droplet of recording...
US-7,520,498 Sheet punch device, sheet processing device, image forming system, program, and recording medium
A sheet punch device for punching a sheet with a punch edge comprises a motor performing a punching operation and a position detection unit detecting a position...
US-7,520,339 Apparatus for achieving integrated management of distributed user information
An apparatus for managing user information regarding a plurality of users includes a source determining unit configured to receive from a client a request for...
US-D590,871 Toner cartridge holder
US-7,519,906 Method and an apparatus for visual summarization of documents
A system and a method for visually summarizing a document comprising a display, a processor coupled to the display, and a memory coupled to the processor. Stored...
US-7,519,756 Method and apparatus for controlling connections of PC cards and a passive-card-adapting card used for...
A PC card control apparatus includes a PC card connector, a card detector and an interconnection switching circuit. The PC card connector is configured to...
US-7,519,729 Method and apparatus for monitoring remote devices through a local monitoring station and communicating with a...
A method and apparatus for monitoring at least one network connected device (monitored device) using a controller is disclosed. Initially, the ...
US-7,519,706 Method and system of remote monitoring and support of devices, including handling email messages having message...
In a system for remotely monitoring networked devices and appliances, email messages are sent across networks, the email messages containing configuration,...
US-7,519,698 Method and system for extracting information from networked devices in a multi-protocol remote monitoring system
A method, system, and computer program product for storing information configured to be used for a plurality of communication protocols to extract status...
US-7,519,317 Developer container, developer supplying device, and image forming apparatus
A developer container has a main part accommodating a developer therein and is detachably attached to an image forming apparatus. The developer container...
US-7,519,303 Image forming apparatus with color shift correction
An image forming apparatus includes an intermediate transfer belt that moves while keeping contact with a photosensitive element at a transfer position, a...
US-7,519,095 Vertical-cavity, surface-emission type laser diode and fabrication process thereof
A vertical-cavity, surface-emission-type laser diode includes an optical cavity formed of an active region sandwiched by upper and lower reflectors, wherein the...
US-7,518,969 Light source driving unit and optical storage apparatus
A light source driving unit includes a modulating signal generating section generating modulating signals based on driving waveform generating information of a...
US-7,518,967 Position control method and device, and optical disk device
A position control method is disclosed that is capable of precisely and stably controlling a position of an object lens relative to a recording medium. When...
US-7,518,963 Phase difference detection circuit and optical disk device
A phase difference detection circuit that is formed by digital circuits having a small circuit area. In the phase difference detection circuit, the circuits for...
US-7,518,946 Memory control device
A memory control device is disclosed that comprises a clock generator that generates a reference clock, a DLL circuit that receives the reference clock from the...
← 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.