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-7,443,556 Optical scanning apparatus and image forming apparatus
In an optical scanning apparatus, an optical element has power for predominantly correcting a position of a scanning line by scanning in a sub-scanning...
US-7,443,535 Misalignment correction pattern formation method and misalignment correction method
A misalignment correction method for forming a plurality of color images on a transfer belt to form a multi-color image and correcting a misalignment of each...
US-7,443,524 Image processing apparatus, and method of remote controlling the image processing apparatus
The support center inputs the data for updating the processing functions of the image processing apparatus to the apparatus via the LAN. The first non-volatile...
US-7,443,490 Medium discrimination device, image forming apparatus, and program having simplified mechanism
A medium discrimination device includes a transmitted light quantity measurement device arranged to measure a transmitted light quantity in a thickness direction...
US-7,443,406 Tandem image forming apparatus
An image forming apparatus includes image-forming process cartridges arranged in tandem; a color-information acquiring unit configured to acquire color...
US-7,442,484 Image forming method using toner
An image forming method including: forming a toner image on a support using a toner including toner particles; and feeding the support bearing the toner image...
US-7,442,479 Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the...
A photoreceptor including at least an electroconductive substrate, and a charge blocking layer, a moire preventing layer, and a photosensitive layer, which are...
US-7,442,075 Battery contact mechanism, battery receiving structure, electric power unit, electronic equipment, and...
A battery contact mechanism energizing a battery in a direction of one electrode of the battery by making pressure contact between a conductive contact member...
US-7,441,908 Projection optical system, magnification projection optical system, magnification projection apparatus, and...
A projection optical system for use in an image projection apparatus illuminating a light valve forming an image in accordance with a modulating signal with...
US-7,441,771 Sheet-like medium alignment apparatus
To ensure that the leading edge of the sheet ejected onto a tray 12 does not push and move loaded sheets in advance, loaded sheets are retained at position (II)...
US-7,441,769 Paper feed tray, paper feeding apparatus, and image forming apparatus using movable members to move aligning...
A detector detects a size of a recording medium stored in a tray of a device. The tray includes a first regulating member that can slide in a width direction of...
US-7,441,766 Paper feeder with separation pad and vibration buffers
A paper feeder is capable of minimizing abnormal noise produced at a separation pad during paper feed, without reducing the paper feed capability, for use in an...
US-7,441,076 Data storage apparatus that appropriately revises FDCB information during background formatting
A data storage apparatus, including a controller that formats a rewritable recording medium in the background, interrupts the background formatting when a host...
US-7,440,808 Electronic apparatus, replacement unit, and electronic apparatus control method
An electronic apparatus holds identification information for identifying the electronic apparatus. A replacement unit is detachably connected to the electronic...
US-7,440,720 Image forming apparatus and image transferring unit for the same
An image forming apparatus of the present invention includes a plurality of image carriers arranged side by side and a charging device, exposing device and...
US-7,440,714 Method and apparatus for image forming capable of effectively adjusting respective phases of image bearing members
An image forming apparatus includes a plurality of photoreceptors configured to bear respective images, a phase detecting unit configured to perform a phase...
US-7,440,630 Image compressing apparatus that achieves desired code amount
An apparatus for compressing an image, comprising: a coding unit configured to generate code data by encoding data derived from image data; a memory unit which...
US-7,440,624 Image compression apparatus, image decompression apparatus, image compression method, image decompression...
An image compression apparatus includes a code size setting unit setting one or more code sizes, a compressing unit compressing an image that is divided into...
US-7,440,380 Optical information recording medium and recording apparatus
A recordable optical information recording medium having an address t for each sector, comprises: an area A1 starting from an address t1 to which access is made...
US-7,440,137 Apparatus, program, medium for image-area separation, image processing and image forming
An image-area separation apparatus includes a SIMD processor performing a SIMD process for performing an image-area separation process and an image-area...
US-7,440,126 Printer with document-triggered processing
A system and method for a printer that can detect characteristics of a printed document and trigger an action in response, in addition to or instead of the...
US-7,440,001 Optical writing device and image forming apparatus
An optical writing device includes a polygon mirror configured to guide a light beam emitted from a light source. The polygon mirror is disposed in a case. The...
US-7,439,998 Optical recording apparatus
An optical recording apparatus includes a plurality of laser modules, an optical fiber array unit, a photosensitive member, and an optical system. Each laser...
US-7,439,993 Image processing method and image processing apparatus
To provide an image processing method including at least an image recording step and an image erasing step, wherein a laser beam is parallel light and wherein...
US-7,439,008 Optical recording medium, and, method and apparatus for optical recording and reproducing using optical...
The object of the present invention is to provide an optical recording medium in which a recording material of the optical recording medium has a high solubility...
US-7,439,007 Phase change information recording medium having multiple layers and recording and playback method for the medium
A multilayer phase change information recording medium including plural information layers containing at least a first information layer and a last information...
US-7,438,965 Phase-change information recording medium, manufacturing method for the same, sputtering target, method for...
It is an object of the present invention to provide a phase-change information recording medium, and the like, which is easy to perform initial crystallization,...
US-7,438,443 Lighting device, image-reading device, color-document reading apparatus, image-forming apparatus, projection...
A lighting device includes an illumination face having a length and a width; a light-emitting element having a light-ray-releasing face the maximum length of...
US-7,438,379 Alignment pattern detecting sensor, method of determining acceptance width of the alignment pattern detecting...
An image forming apparatus includes an alignment pattern and an alignment pattern detector that detects the alignment pattern. The alignment pattern is formed in...
US-7,438,245 Milling and classifying apparatus, collision mill, air classifier, toner, and method for producing toner
Disclosed is a milling and classifying apparatus, adapted to produce toner fine particles, comprising a collision mill, and an air classifier, wherein the...
US-7,437,452 Method and system for monitoring network connected devices with multiple protocols
A method of monitoring a network connected device among distinct devices. The method includes accessing a first database via a hardware access module, the first...
US-7,437,298 Method and apparatus for mobile phone using semiconductor device capable of inter-processing voice signal and...
A method and apparatus of mobile phone using a semiconductor device includes a first converter, a second converter, a first digital processing circuit, and a...
US-7,437,111 Fixing device, and image forming apparatus using the fixing device
An image forming apparatus including an image bearing member; a charger; a light irradiator; a developing device; a transfer device; an imagebearingmember's...
US-7,437,109 Image forming method and apparatus with sensors for detecting an amount of light with respect to an endless...
An image forming apparatus includes a housing including a cover configured to cover an opening provided in the housing, a transfer unit configured to move a...
US-7,437,100 Image forming apparatus
The color offset is reduced with a simple system by relative removal of speed variation components between drums of a tandem color image forming apparatus....
US-7,436,425 Optical writing apparatus and image forming apparatus
An optical writing apparatus includes a deflecting part having a deflection plane for deflecting a plurality of light beams, a synchronization detection mirror...
US-7,436,417 Color image forming apparatus, and toner replenishing apparatus
The color image forming apparatus comprises a transfer belt device which feeds a transfer member such as a paper and a plurality of image forming units. The...
US-7,436,163 DC-DC converter
A DC-DC converter is disclosed that includes a constant voltage circuit outputting a first voltage, a charge pump circuit outputting a second voltage, a current...
US-7,435,946 Mark detector using multiple light beams for use in a displacement detector and an image forming apparatus
A mark detector to detect a plurality of marks which are arranged in a predetermined cycle on a moving member, such as a photo conductor belt, a transfer belt, a...
US-7,435,521 Toner for developing electrostatic image
A toner for developing an electrostatic image which has a small particle size essential for attaining a high-quality image, and can output a high-quality image...
US-7,435,519 Electrophotographic toner and image forming apparatus
An electrophotographic toner comprising at least a fixing resin, a coloring agent, a release agent and a charge control agent, wherein the release agent is...
US-7,434,928 Image forming apparatus
An image forming apparatus comprises a guide part guiding transportation of a recording medium after recording by a liquid droplet ejection head at a recording...
US-7,434,927 Inkjet recording device
An inkjet recording device is disclosed that is capable of precisely defining the gap between a conveyance belt and a recording head and maintaining good...
US-7,434,913 Inkjet head, method for producing inkjet head, inkjet recorder and inkjet coater
An inkjet head for jetting an ink from a nozzle 6 which is formed on the main body 1 of the nozzle of a metal member, wherein an SiO.sub.2 film 2 comprising...
US-7,433,989 Arbitration method of a bus bridge
A bus bridge interfaces a primary-side bus with a plurality of secondary-side buses. The primary side bus is a local bus in a system and the secondary-side buses...
US-7,433,641 Fixing member, fixing device, and image forming apparatus
A fixing member heat bonds a toner on a recording material. The fixing member includes a releasing layer, a layer of elastic material, below the releasing layer,...
US-7,433,640 Fixing apparatus and image forming apparatus including heating member
In a fixing apparatus including heating member having an elastic layer and a heat source and pressing member having an endless shape member and a pressing member...
US-7,433,615 Method of and image forming apparatus for controlling a light exposure condition
An image forming apparatus, incorporating a process cartridge, capable of determining optimum light exposure conditions suitable for both a charging potential...
US-7,433,614 Imaging forming apparatus
An image forming apparatus has a printer engine which forms an image on a medium; a unit which supplies the medium to the engine through a path; an element which...
US-7,433,609 Image forming apparatus with a plurality of image forming units
An image forming apparatus includes two or more detachable components that are identical to each other and configured to perform at least part of a sequence of...
← 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.