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-7,694,966 |
Sheet processing apparatus and image forming apparatus A sheet processing apparatus includes a first processing unit, a second processing unit, a roller, a guide member, and a conveying unit. The first processing... |
| US-7,694,958 |
Sheet feeding cassette and image forming apparatus A sheet feeding cassette, including a main body of the sheet feeding cassette accommodating sheets having a trench; a fence movably attached to the main body... |
| US-7,694,886 |
RFID tag and manufacturing process thereof An RFID tag comprises a semiconductor chip storing therein information of an object to be discriminated and carrying out radio communication with a reader/writer... |
| US-7,694,333 |
Communication apparatus, communication system, certificate transmission
method, anomaly detection method and a... A communication apparatus has a communication part and authenticates a communication partner by using a digital certificate, wherein the communication apparatus... |
| US-7,693,994 |
Intermediary apparatus, distributed processing system, data-transfer
method, program and recording medium An intermediary apparatus for intermediating communications between a first communications apparatus and multiple second communications apparatuses is disclosed.... |
| US-7,693,480 |
Sheet post-processing apparatus, and image forming system including the
same A sheet post-processing apparatus, e.g., that is included in an image forming system, includes: a sheet stacking unit configured to stack a plurality of sheets... |
| US-7,693,476 |
Image forming apparatus with protective agent applying unit and process
cartridge An image forming apparatus includes a charger, a developing device, a cleaning device, a protective-agent bar, and a brush. The charger uniformly charges an... |
| US-7,693,475 |
Lubricant supplying device, cleaning device, process cartridge, and image
forming apparatus A lubricant supplying device that supplies lubricant onto a surface of an image carrier includes a lubricant carrying unit and a transfer unit. The lubricant... |
| US-7,693,471 |
Sheet wrapping avoidable fixing apparatus and image forming apparatus A fixing apparatus includes a fixing member to be heated and a pressure-contacting member for pressure contacting the fixing member. The fixing apparatus directs... |
| US-7,693,468 |
Image forming apparatus capable of effectively forming a quality color
image An image forming apparatus includes a plurality of image carriers, an optical writing unit, a plurality of developing units, a transfer member, a transfer unit,... |
| US-7,693,466 |
Method for arranging image forming sections A method of arranging a plurality of image forming sections, each of which includes a developing device and a cleaning device. The method includes arranging the... |
| US-7,693,465 |
Image forming apparatus and process cartridge An image forming apparatus and process cartridge which uses a two-component developer comprising a toner and a carrier. By using toner and carrier having a... |
| US-7,693,462 |
Process cartridge and image forming apparatus using image developer
providing reduced toner cohesion An image developer, including a rotatable developer bearer; a rotatable developer feeding member contacting the developer bearer; a developer container located... |
| US-7,693,459 |
Charging device for charging a surface of a latent image bearing member
and an image forming apparatus... A charging device and an image forming apparatus using the charging device. The charging device includes a charging member to uniformly charge a surface of a... |
| US-7,693,458 |
Charging device, process cartridge, and image forming apparatus Toner having spindle-shaped particles is used to form images in an image forming apparatus. Each spindle-shaped particle has a ratio of a length in a minor axis... |
| US-7,693,456 |
Conductive member and process cartridge having it and image forming
apparatus having the process cartridge A conductive member including a conductive supporting body (1), an electric resistance adjusting layer (2) formed on the conductive supporting body (1), and... |
| US-7,693,455 |
Conductive member, process cartridge having conductive member, and image
forming apparatus having process cartridge A conductive member to be disposed so as to abut on an image carrier is provided. The conductive member includes an elongate conductive supporter, an electrical... |
| US-7,693,440 |
Image forming apparatus for forming image with fixing device power supply
control method for controlling the... An image forming apparatus for forming an image with a fixing member, which fixing member includes a first heating member and a plurality of second heating... |
| US-7,693,439 |
Fixing device, and method and device for heating control used in the same A fixing device includes a pair of rotating members, a heater, a detector, a calculator, a pulse width modulation circuit, and a controller. In at least one... |
| US-7,693,204 |
Surface-emitting laser device and surface-emitting laser array including
same A surface-emitting laser device is disclosed that includes a substrate connected to a heat sink; a first reflective layer formed of a semiconductor distributed... |
| US-7,693,196 |
Semiconductor laser driving unit and image forming apparatus having the
same A semiconductor laser driving unit is disclosed that includes a first part generating a bias current; a second part generating a first current for causing the... |
| US-7,693,019 |
Information recording device, method of controlling recording operation of
said device, and program for... An information recording device having a recording head for recording information on a recording medium includes: an inherent ID generator that generates an... |
| US-7,692,816 |
Image processing apparatus, image processing method, and computer product When first image data, which is in a first color space, is converted into second image data, which is in a second color space corresponding to an image output... |
| US-7,692,808 |
System, method and computer program product for controlling image
information An image information control method and apparatus, the apparatus includes a receiving unit configured to receive bit map image data sent from an information... |
| US-7,692,801 |
Optical stacked structure inspecting method and optical stacked structure
inspecting apparatus An inspecting method inspects an optical stacked structure having a reflection layer and at least one light transmitting thin film sequentially stacked on a... |
| US-7,692,715 |
Digital camera A digital camera according to the present invention includes a device to set up a plurality of exposure conditions, a device to obtain a plurality of imaging... |
| US-7,692,709 |
End-to-end design of electro-optic imaging systems with adjustable optical
cutoff frequency An optical system that behaves like an integrated low pass filter with an adjustable optical cutoff frequency. The filter behavior is "integrated" in the sense... |
| US-7,692,416 |
Voltage up-and-down DC-DC convertor A voltage up and down synchronization and rectification type DC-DC converter goes up and down an input voltage using an inductor. The voltage up and down... |
| US-7,692,319 |
Efficient provision of alignment marks on semiconductor wafer A semiconductor wafer includes multi chip areas each including two or more device chip areas and arranged in an X-axis direction and a Y-axis direction, a... |
| US-7,691,931 |
Organic-inorganic hybrid material and method of preparing the
organic-inorganic hybrid material, and... An organic-inorganic hybrid material, including a charge transportable organic polymer and a metal oxide. |
| US-7,691,791 |
Lubricant molded body, lubricant application apparatus, process cartridge,
and image forming apparatus A lubricant molded body, which is to be applied to a surface of a photosensitive layer for electrophotography in an image forming apparatus, for example, is... |
| US-7,690,763 |
Color imaging apparatus configured to reduce bidirectional color
difference An imaging apparatus is disclosed that includes plural heads that are arranged in a main scanning direction, the heads including plural nozzle arrays that are... |
| US-7,690,757 |
Head capping member, head maintenance or recovery device, device for
ejecting a liquid drop, and image forming... A head capping member for capping an ejection face of a liquid ejecting head which face is provided with a nozzle for ejecting a liquid drop is provided, which... |
| US-7,690,639 |
Sheet conveying device, and image forming apparatus including same A sheet conveying device, that can be included in an image forming apparatus, includes a first conveying unit to convey a sheet in a first sheet conveying... |
| US-7,690,633 |
Sheet processing apparatus and image forming apparatus including stapling
and folding mechanism A sheet processing apparatus may include a conveyance path and a tray. The conveyance path may convey sheets. The tray may receive the sheets conveyed from the... |
| US-7,689,830 |
Communications apparatus and service providing technique using
communications apparatus A communications apparatus configured to provide a prescribed service via a network based on a standardized interface of a prescribed communications protocol is... |
| US-7,689,712 |
Techniques for integrating note-taking and multimedia information Techniques to improve a user's note-taking experience. While taking notes for a presentation, a user can request one or more portions of information recorded... |
| US-7,689,691 |
Method and system for remote diagnostic, control and information
collection based on various communication... A method, system, and program product for communicating with machines and end users connected to a network. Information sent to or from the machines is... |
| US-7,689,153 |
Image forming system having charge balancing system An image formation system is configured by connecting two or more image formation devices. The system includes a fixing device fixing an unfixed development... |
| US-7,689,145 |
Replacement unit, image forming apparatus, and method of attaching
replacement unit of image forming apparatus A replacement unit having a toner bottle and a fixing liquid bottle integrated with each other is attached to a printer main body (image forming apparatus main... |
| US-7,689,142 |
Image forming apparatus, and processing unit and latent image writing
device mounted therein An image forming apparatus capable of suppressing drop in the write positional accuracy of the optical write while improving the maintenancability of the... |
| US-7,689,119 |
Digital camera that stores the location of an object An image processing device including an optical system, a storage device, a position detecting device, and a direction detecting device. An optical system... |
| US-7,688,695 |
Method of writing multi-level data using adjusted recording waveform A method of writing multi-level data to a recording medium is disclosed. The multi-level data is written by the emission of light beam. The method is... |
| US-7,688,491 |
Diffractive-optical element, scanning optical system, optical scanner, and
image forming apparatus A diffractive-optical element that is transparent includes a diffraction surface that is formed by a step. A width of the step is set substantially equal to a... |
| US-7,688,488 |
Image reading device and image forming apparatus including the same An image reading device including a plurality of image sensors configured to read image data of an original document, each of which having a reading range... |
| US-7,688,047 |
Power circuit and method of rising output voltage of power circuit The power circuit includes a switching regulator part, a series regulator part and a control circuit part for controlling operation of the switching regulator... |
| US-7,687,762 |
Monitoring device, light source device, optical scanning device, and image
forming apparatus having an aperture... A monitoring device includes a first aperture plate, a second aperture plate, and a photodiode. The first aperture is disposed in a light path of a light beam... |
| US-7,686,158 |
Belt-conveyor device and image forming apparatus A belt-conveyor device includes a detecting unit that detects a belt position in a width direction of the endless belt for a plurality of times within more than... |
| US-RE41,176 |
Liquid crystal display device having electrodes connected at a location
close to an outside edge of a contact hole A liquid crystal display device including a first substrate having a contact hole and second substrate substantially in parallel with the first substrate. Each... |
| US-7,685,428 |
Transmission of event markers to data stream recorder An information stream (media stream) can be "bookmarked" with event markers to note points in time in the information stream of occurrences of interesting... |
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.