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-7,937,983 |
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... |
| US-7,934,429 |
Stress-distribution detecting semiconductor package group and detection
method of stress distribution in... A stress-distribution detecting semiconductor package group includes multiple stress-distribution detecting semiconductor packages each formed by... |
| US-7,933,857 |
Translator support system, server, method and recording medium A server having a database sequentially registers a plurality of Japanese messages to be translated into the database. In parallel to the registration, the... |
| US-7,933,546 |
Lubricant applying device and image forming apparatus In a lubricant applying device, a position adjusting member adjusts relative positions of a lubricant and a rotating member. The rotating member rotates while... |
| US-7,933,542 |
Fuser cleaning method and system based upon anticipatory action in
image-forming device A fuser roller surface is cleaned immediately before and or after the fusing operation. The separate cleaning sequence assures that the fuser roller surface is... |
| US-7,933,529 |
Image forming apparatus, method for controlling image forming apparatus,
fixing apparatus An image forming apparatus includes a fixing apparatus for fixing a toner image onto a recording medium by applying pressure and heat to toner provided on the... |
| US-7,933,110 |
Power control device and image forming apparatus A first switching unit and a second switching unit are connected in series to an electric power load. A voltage supply unit, which is connected between the... |
| US-7,933,074 |
Zoom lens unit and information device A zoom lens unit, including in order from an object side to an image side: a first lens group having a positive refracting power; a second lens group having a... |
| US-7,933,062 |
Electrophoretic fluid, electrophoretic display medium, electrophoretic
display element, and electrophoretic... A disclosed electrophoretic fluid includes a solvent; and first, second, and third dispersible particles having different optical properties and dispersed in... |
| US-7,933,054 |
Image processing system and image processing apparatus An image processing system is disclosed that is configured to input color image data, generate color image data identification information identifying the color... |
| US-7,933,039 |
Apparatus, method, and computer program product for forming image An image reading unit reads an image as a first image represented in a first color space. A color converting unit converts the first image into a second image... |
| US-7,933,033 |
Image forming apparatus, image processing method, image processing program
and recording medium An image forming apparatus that functions as a client of a distributed file system is provided, in which the image forming apparatus includes: a distributed... |
| US-7,932,007 |
Toner and method for producing the same, and image-forming method using
the same There are provided: a method for producing a toner containing to granulate a toner and to subjecting the granulated toner to at least washing with an alkali... |
| US-7,931,350 |
Waste liquid tank, liquid ejection device, and image forming apparatus A waste liquid tank that holds waste recording liquid is disclosed. In the waste liquid tank, a waste liquid wetting liquid that forms a liquid layer on the... |
| US-7,931,267 |
Sheet feed device with sheet tray guide unit A sheet feed device includes a sheet tray and a guide unit. The sheet tray is configured to store a recording medium including a recording sheet. The guide unit... |
| US-7,931,263 |
Image forming system having enhanced functionality A sheet feed apparatus, e.g., coupled to an image forming apparatus, can include: a main frame; a storage unit mounted on the main frame and configured with a... |
| US-D636,813 |
End cap of powder container |
| US-7,930,658 |
Semiconductor integrated circuit device and fabrication method thereof A semiconductor integrated circuit device and a fabrication method thereof are disclosed, for effective suppression of a temperature increase therein that is... |
| US-7,930,634 |
Document display apparatus and document display program A document display apparatus extracts a document element constituting a document and enlarges and displays the extracted document element. The document display... |
| US-7,930,582 |
Image processing apparatus and method of transmitting reference clock An engine unit and a control unit are connected via an interface. A power source supplies electric power to the interface. The engine unit is controlled based... |
| US-7,930,461 |
Interface circuit An interface circuit is disclosed. When a USB-BUS power source voltage VBUS is not normally supplied to the substrate gates of PMOS transistors of switches of a... |
| US-7,929,901 |
Recording medium storage container and image forming apparatus The invention is directed to a recording medium storage container such as a paper supply cassette and an image forming apparatus such as a copying machine. The... |
| US-7,929,897 |
Cleaning unit, process cartridge, and image forming apparatus using the
same A cleaning apparatus for removing charged particles includes a cleaning brush and a recovery unit. The cleaning brush removes the charged particles from an... |
| US-7,929,894 |
Driving control device and image forming apparatus including the same A driving control device for use in an image forming apparatus includes a control unit that analyzes any one of a speed variation pattern and a thickness... |
| US-7,929,877 |
Transfer device and image forming apparatus having at least two contacting
members applied with corresponding... An image forming apparatus includes an intermediate transfer belt, a photosensitive belt, a primary transfer roller, a secondary-transfer opposing roller, and a... |
| US-7,929,873 |
Image forming apparatus and image density control method An image forming apparatus includes an image carrier configured to carry an electrostatic latent image, a developing device configured to develop the... |
| US-7,929,849 |
Image blur correction device and imaging apparatus equipped therewith An image blur correction device includes: a movable frame which is equipped with a lens or an imaging element and has a guide part; a fixed frame having a guide... |
| US-7,929,706 |
Encryption key restoring method, information processing apparatus, and
encryption key restoring program A disclosed encryption key restoring method enables restoration of an encryption key in the event of inability to use the encryption key stored in a secure... |
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.