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-7,942,494 Liquid-discharge-failure detecting apparatus, and inkjet inkjet recording apparatus
A liquid-discharge-failure detecting apparatus includes a light-emitting element and a light-receiving element. The light-emitting element emits a laser beam in...
US-7,942,493 Image forming apparatus
A disclosed image forming apparatus for forming an image on a recording medium includes an inkjet head having a nozzle surface and inkjet nozzles on the nozzle...
US-7,941,445 Managing project schedule data using separate current and historical task schedule data and revision numbers
A project management system manages project schedule data using separate current and historical task schedule data structures. In general, current schedule data...
US-7,941,343 Method and system for enhancing product sales in network transactions
A method and system for enhancing the sales potential of transactions conducted over the Internet or other networks though selectively offered promotions...
US-7,941,087 Image-bearing member protecting agent, protective layer forming device, image forming method, image forming...
To provide an image-bearing member protecting agent used in an image forming method which includes applying or attaching the agent onto a surface of an image...
US-7,941,082 Color-image forming apparatus, image forming method, and computer program product
A print control unit causes a secondary-transfer control unit to move a secondary transfer unit apart from an intermediate transfer member, causes a...
US-7,941,077 Conductive member, process cartridge using conductive member, and image forming apparatus using process cartridge
A conductive member includes a conductive supporter, an electric resistance adjusting layer formed on the conductive supporter and gap retaining members which...
US-7,941,076 Rotor driving force transmission device and image forming apparatus having the device
A driving force transmission device superior in reliability with suppressed rotation fluctuation. The driving force transmission device has gearing reception...
US-7,941,075 Image forming apparatus including a cleaner-less image carrier cleaning system
An image forming apparatus includes an image carrier, a charging unit including a charge member that is disposed facing the image carrier across a gap...
US-7,941,071 Lubricant application device, process cartridge, and image forming apparatus using the lubricant application device
A lubricant application device includes a lubricant, a lubricant supplier, a lubricant smoother, and a sealing member. The lubricant is supplied to a surface of...
US-7,941,069 Process cartridge having air inlets and outlets for cooling gears disposed in the process cartridge
A process cartridge includes a photoconductor driven by gears, a developing roller, an agitator. The process cartridge is mounted on an image forming apparatus...
US-7,941,068 Image forming apparatus, image forming system, and recording medium
An image forming apparatus includes a discharge tray determination device and a print controller. The discharge tray determination device determines a discharge...
US-7,940,984 Image processing apparatus, image processing method, and computer program product
A determining unit extracts similar-characteristic areas in image data and determines a type of the characteristics of image data of each of the ...
US-7,940,827 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-7,940,825 Surface-emission laser diode and surface-emission laser array, optical interconnection system, optical...
A surface-emission laser diode includes an active layer, a pair of cavity spacer layers formed at both sides of the active layer, a current confinement...
US-7,940,628 Multilayer optical information recording medium, optical head, and optical drive
A disclosed optical recording medium includes multiple recording layer units in each of which one or more recording layers and one or more middle layers are...
US-7,940,422 Image forming apparatus
An image forming apparatus for forming a multicolor image by superposing single-color images of respective colors is disclosed. The image forming apparatus...
US-7,940,419 Image forming method and apparatus for effectively positioning an image forming member
An image forming apparatus includes a transfer member configured to receive an image, and a first image forming unit including a first image bearing member and...
US-7,940,408 Bi-directional status and control between image capture device and backend device
Apparatuses and methods are provided for bi-directional status and control between image capture devices and backend devices in a document processing system.
US-7,940,407 Image forming apparatus, terminal apparatus and management apparatus
An image forming apparatus that is connected to a terminal apparatus via a network is disclosed. The image forming apparatus includes: a receiving unit...
US-7,940,292 Optical scanning device and image forming apparatus
An optical scanning device includes a lens having a negative optical power at least in a sub-scanning direction and a lens having a positive optical power at...
US-7,940,036 Voltage comparison circuit, and semiconductor integrated circuit and electronic device having the same
A disclosed voltage comparison circuit for detecting a voltage difference of two input signals includes one or more differential amplifier circuits, each of...
US-7,939,238 Dry toner and method of preparing same
A dry toner for developing an electrostatic image, including a toner binder containing a urea-modified polyester. The toner has an average sphericity of 0.96 or...
US-7,939,235 Image formation method
A toner includes a polyol-based resin having multiple hydroxyl groups in a molecular chain thereof in which a ratio of epoxy group to hydroxyl group is from...
US-7,938,545 Projection optical system, magnification projection optical system, magnification projection apparatus, and...
A projection optical system for use in an image projection apparatus illuminating a lightbulb forming an image in accordance with a modulating signal with...
US-7,938,527 Ink, ink cartridge, ink jet recording apparatus, and ink jet recording method
To provide an ink jet recording method including: performing image recording on a recording medium to obtain an ink adhesion quantity of 15 g/m.sup.2 or less of...
US-7,938,392 Medium feed control in an image forming apparatus
A method of controlling medium feeding in an image forming apparatus includes an image forming step of forming an image on a medium in response to an image...
US-7,937,983 Curved surface forming apparatus, optical scanning apparatus, and image forming apparatus
A curved surface forming apparatus includes a first member to be curved; a second member which is placed with a distance from the first member and holds the...
US-RE42,334 Smoothing circuit employing charging circuit intermittently charging when input voltage is higher relatively...
A smoothing circuit for realizing the miniaturization and the increase of integration scale of a circuit and for easily varying attack time and release time....
US-7,937,033 Separating plate, fixing device having the separating plate with an edge part that abuts with the fixing...
A fixing device (55) including a fixing member (6), a pressure member (7) forcibly contacting with the fixing member, and a separating plate (1) for separating...
US-7,937,028 Image forming apparatuses having specialized toner structures and materials
Disclosed is an image forming apparatus including a toner feed unit used in a developing device and provided near a top surface of a body casing. The toner feed...
US-7,937,027 Developing device and image forming apparatus
A developing device includes a rotator that rotates around a shaft, and a bearing element that supports the shaft to a housing. A sliding element formed of a...
US-7,937,025 Scorotron corona charger, process cartridge, and image forming apparatus
A scorotron corona charger including a grid electrode is provided. A layer including a zeolite, a resistance controlling agent, and a binder is formed on the...
US-7,937,015 Image forming apparatus having a development device mixing and conveying developer
An image forming apparatus includes an image carrying member carrying a latent image and a development device disposed along a surface of the image carrying...
US-7,937,012 Angle adjusting device and image forming apparatus
An angle adjusting device configured to support an operations panel so that up and down rotation of the operations panel against an apparatus main body can be...
US-7,937,007 Image forming apparatus and image forming method of effectively detecting a speed deviation pattern of the...
An image forming apparatus includes a plurality of image bearing members, each of which is configured to bear a portion of a pattern image including a plurality...
US-7,936,989 Image capturing apparatus
An image capturing apparatus includes an optical unit for forming an image of a subject, a first light extinction unit present on an optical axis of the optical...
US-7,936,571 Protection circuit module for secondary battery
A protection circuit module for a secondary battery including a wiring substrate including two battery-side external connection terminals provided on a top...
US-7,936,498 Display element, image display device, and image display system
A display element includes a hollow structure. The hollow structure includes plural cells disposed in a plane, each having an opening in a first wall of the...
US-7,936,494 Optical scanning device and image forming apparatus
An optical scanning device includes a light source, a deflector, and an optical system including an elongated optical element that focuses deflected luminous...
US-7,936,493 Dot position correcting apparatus, optical scanning apparatus, imaging apparatus, and color imaging apparatus
An optical scanning apparatus that includes a light source unit having plural main light sources that are two-dimensionally arranged in the main scanning...
US-7,936,492 Light source device, optical scanning device, and image forming apparatus
An optical splitting member splits a light beam emitted by a light source into first light beam and second light beam. A coupling member couples the first light...
US-7,936,485 Image reading apparatus, image processing apparatus, and computer program product
An image reading apparatus includes a clamp-ratio controlling unit configured to change at least one of a clamp period and a line period for each read operation...
US-7,936,465 Print data processing apparatus, printing apparatus, printing system, print data processing method, and...
A print data processing apparatus performs combined printing of a plurality of pages including a page on which an image is oriented in a different direction...
US-7,936,368 Image forming method and image forming apparatus
Positioning displacement characteristics of each of scanning beams are obtained in advance. The positioning displacement characteristics is indicative of a...
US-7,936,367 Image forming apparatus controlling the output level of the light source
An image forming apparatus includes an optical scanning device that scans a scan area on an image carrier with light flux containing image information and...
US-7,936,158 Switching regulator configured to detect and shutdown reverse current
A switching regulator includes a first switch, an inductor, a second switch, a controller to control a switching operation by switching the first switch and...
US-7,935,469 Image forming method and toner for developing latent electrostatic image
Disclosed is a developer containing toner and carrier, the toner containing as a binder resin a polyol resin having a plurality of OH groups in a molecule chain...
US-7,934,714 Sheet post-processing apparatus, image forming apparatus, and image forming system
A sheet post-processing apparatus includes a sheet stacking unit, a moving member, and a discharging member. The moving member moves up the pile stacked on the...
US-7,934,713 Sheet alignment mechanism, sheet post-processing apparatus, and image forming apparatus
A sheet alignment mechanism includes a stacking tray on which a sheet or sheet bundle transported along a sheet transport path is stacked, a pair of side fences...
← 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.