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-7,835,677 Developing device, image forming apparatus, and process cartridge
Provided is a developing device containing a two-component developer including a magnetic carrier and a toner; a developer bearing member containing a...
US-7,835,675 Toner container and image forming apparatus
A toner container detachably attached to a toner-container holder of a main body of an image forming apparatus includes a container body that includes an...
US-7,835,673 Developer container, developer supplying device, and image forming apparatus
A method of installing a toner container and a container. The container includes a body for storing toner, a handle attached to an end of the container, an...
US-7,835,671 Developing device using two-component developer and image forming apparatus equipped with the developing device
A developing device comprises a feeding and conveying path; a stirring and conveying path; and a recovering and conveying path, and capable of extending the...
US-7,835,670 Image forming apparatus reducing background contamination
An image forming device includes a plurality of image forming units provided in parallel comprising a black image forming unit to form a black toner image and a...
US-7,835,661 Image forming apparatus
An image writing unit causes, upon being set in a write position, an optical system unit to be movable and positions the optical system unit, with a hitting...
US-7,835,653 Developing device and image forming apparatus
A developing device includes a developing unit, a developer agitating unit, a developer conveying unit, and a toner supplementing unit. The developing unit...
US-7,835,652 Image developing method, image developing device, and image forming device
An image developing method is disclosed that is able to efficiently remove degraded toner on a developing agent carrier, prevent formation of abnormal images,...
US-7,835,638 Image recording apparatus, image recording method, and computer-readable recording medium
An image recording apparatus includes an image sensing part for converting an optical image imaged by a photograph lens to an electric signal, a distance...
US-7,835,428 Method and device for facsimile communication capable of completing communication even when there is disruption...
A MODEM device includes a detector configured to detect a synchronization signal transmitted from a source MODEM in a resynchronization process of a primary...
US-7,835,412 Laser control system, optical scanning device, and image forming apparatus
A control system for a laser source driven by a direct current drive voltage includes a system control board, a laser driver, and a power stabilizing circuit....
US-7,835,305 Remote management system
A disclosed remote management system includes an electronic device; a communication adaptor; and a management apparatus connected via the communication adaptor...
US-7,835,037 Image processing apparatus and image processing method
In an image processing apparatus for creating an electronic file from a paper document with the use of an optical reading device, a detecting part detecting a...
US-7,835,024 Print information processing apparatus
A print information processing apparatus for performing a printing process is disclosed. The print information processing apparatus is connected to a printer via...
US-7,835,019 Image forming apparatus and authentication and charging method
An image forming apparatus having a hardware resource used in image forming processing and an application executing the image forming processing, and performing...
US-7,834,902 Pixel clock creation method, pixel clock creation device, optical scanning device, and image forming apparatus
In a pixel clock creation method and device, a high frequency clock is created. A scanning time needed to scan a predetermined scanning length is detected in...
US-7,834,393 Semiconductor device and manufacturing method of the semiconductor device
A semiconductor device includes a power MOSFET including a trench formed on a surface of a semiconductor layer forming a drain; a gate electrode formed in the...
US-7,833,844 Semiconductor device and production method of the same
A disclosed method of producing a semiconductor device includes the steps of (A) forming a gate electrode and a trimming fuse on a semiconductor substrate; (B)...
US-7,833,686 Toner and method for producing the same, toner kit, and developer, process cartridge, image forming method and...
A toner kit containing at least a black toner, a yellow toner, a magenta toner and a cyan toner, wherein these toners have at least the binder resin, the...
US-7,832,945 Lens barrel, camera and portable information terminal apparatus
A lens barrel includes a telescopic cylinder, at least one movable lens, and a retractable lens. The telescopic cylinder includes at least one movable cylinder...
US-7,832,332 Printing device and ultraviolet irradiation apparatus
A printing device comprising a stencil printing device which is excellent in operativity, in which a print drum with UV ink and non-UV ink can be used in a...
US-RE41,934 Image forming system
An image forming system is disclosed which can prevent toner stain adhered onto an image bearing member at the time of switching from one developing unit to...
US-7,831,851 Switching regulator
A switching regulator is disclosed that includes a switching transistor controlling output of an input voltage by switching in accordance with an input control...
US-7,831,737 Apparatus, method, and system for selecting one of a plurality of communication methods for communicating via a...
An apparatus, method, system for communicating with a counterpart communication apparatus via a network using more than one communication procedure or protocol....
US-7,831,657 Electronic apparatus for identifying and utilizing external applications contained on external apparatuses
An electronic apparatus for performing an operation by use of an application, which can communicate with a plurality of external apparatuses, includes an...
US-7,831,189 Lubricant applying unit, a process cartridge including the same, and an image forming apparatus provided with...
A lubricant applying unit, included in a process cartridge provided in an image forming apparatus, includes a solid lubricant, a lubricant supporting unit to...
US-7,831,186 Fixing device and image forming apparatus
A pressurizing member includes an elastic member having a uniform elastic modulus of K=EA/t, where E is a Young's modulus, A is an area of the nip portion, and t...
US-7,831,185 Image forming apparatus capable of smooth transmission of recording medium
Disclosed is an image forming apparatus including a first member having a surface endlessly moving in a specific direction a second member having a surface...
US-7,831,182 Developing device, image forming apparatus, and development error detecting method
A disclosed developing device includes a developing roller; a supply roller that is in contact with the developing roller and configured to supply toner to the...
US-7,831,177 Discharge device, image forming unit and apparatus
A discharge device including a discharge member that discharges an photoconductive member overlying an image bearer via a prescribed gap, and a voltage applying...
US-7,831,161 Method and apparatus for image forming of effectively detecting image data
An image forming apparatus and corresponding method, the image forming apparatus including a belt member supported by at least two rollers, an image forming...
US-7,831,156 Image forming apparatus having enhanced management for consumable-supplies
An image forming apparatus includes a sensor, a notification unit, and a controller. The sensor detects a supply-end condition of consumable supplies. The...
US-7,830,871 Communication apparatus, communication method and communication program
For carrying out communication with the use of an IP address, prefix information is extracted from a router advertisement, the prefix information is registered...
US-7,830,766 Data reproduction method and apparatus, disk, and recording/reproduction apparatus, using PRML method
A data reproduction apparatus for reproducing recorded data from an optical disk by using a PRML detection method is disclosed that includes an optical head...
US-7,830,584 Organic-inorganic composite material and method for producing the same, and functional electrode and functional...
The present invention provides an organic-inorganic composite material containing a metal oxide, and a functional organic material located on the metal oxide,...
US-7,830,571 System, apparatus and method for document management
An improved approach for managing a document having a plurality of versions is provided. For example, a scanned version of an edited hardcopy of the document is...
US-7,830,563 Image scanner and image forming apparatus
An image scanner includes a scanning unit that scans a white scanning member via a contact glass on one line basis when the image scanner is powered on and...
US-7,829,254 Non-magnetic toner, image forming apparatus and process cartridge
The present invention aims at providing non-magnetic toner which is excellent in fixing property and charge property and capable of inhibiting occurrence of...
US-7,828,898 CVD apparatus of improved in-plane uniformity
A CVD apparatus includes a vertical boat extending in a vertical direction and capable of holding plural substrates in a horizontal state such that the...
US-7,828,896 Methods of growing a group III nitride crystal
A method of growing a group III nitride crystal grows a group III nitride crystal from a solution in which an alkaline metal, a group III metal and nitrogen are...
US-7,827,415 Image processing apparatus capable of authenticating document
An image processing apparatus is disclosed including a document data analysis unit and an authentication unit. The document data analysis unit can identify...
US-7,826,787 Protective-agent applying device, process cartridge, and image forming apparatus
A protective-agent applying device that applies a protective agent mainly containing paraffin to a photosensitive element. The protective-agent applying device...
US-7,826,786 Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner
In an image forming apparatus, an area applied with a lubricant, i.e., an area of a lubricant layer having a uniform thickness, is obtained by spreading the...
US-7,826,778 Powder supplying device and image forming device
In a powder supplying device, a powder container contains powder therein and is provided at a bottom of the powder container with a gas blowout part for ejecting...
US-7,826,777 Toner container and image forming apparatus having first and second biasing elements that bias the toner container
A toner container detachably attached to a toner-container holder of a main body of an image forming apparatus includes a container body that includes an...
US-7,826,776 Development apparatus and image forming apparatus employing the same
A development apparatus includes three developer conveyance paths with separate functions for the supply, recovery and agitation of a developer, respectively, in...
US-7,826,775 Developing device and image forming apparatus
A disclosed developing device includes a developer carrier including a developing sleeve and a magnetic roller provided inside the developing sleeve. The magnet...
US-7,826,765 Developer container and image forming apparatus including the developer container with sealing mechanism...
A developer container supplies developer to a development device and includes a storage, an opening, a first seal member, a through-hole, and a second seal...
US-7,826,174 Information recording method and apparatus using plasmonic transmission along line of ferromagnetic...
An information recording apparatus comprises a plurality of fine particles forming an array on a plane in close proximity of each other, each of the plural...
US-7,826,116 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...
← 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.