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-7,373,347 |
Information processing apparatus and information processing method In an information processing apparatus connectable to a terminal through a network, a terminal type of the terminal is specified based on a first request... |
| US-7,373,101 |
Method and apparatus for image forming and effectively applying lubricant
to an image bearing member A lubricant supplying device including a molded lubricant having a Martens hardness of approximately 40 N/mm.sup.2 to approximately 70 N/mm.sup.2 measured with a... |
| US-7,373,097 |
Printer engine and color image forming device using this printer engine
for preventing deviation of transfer... In cases where the transfer positions of toner images of respective colors that are formed on respective photosensitive bodies show a positional deviation, the... |
| US-7,373,094 |
Fixing unit having a plurality of heaters, image forming apparatus and
method of determining temperature... A fixing unit thermally fixes a toner on a recording medium by a fixing member having a plurality of internal heaters and an outer peripheral surface, and a... |
| US-7,373,093 |
Apparatus and method for color image forming, and computer program product
for driver controller A color image forming apparatus including a plurality of photosensitive drums on which toner images of different colors are respectively formed. An endless belt... |
| US-7,373,092 |
Method and apparatus for image forming capable of effectively collecting
waste toner An image forming apparatus includes an image carrying member, a transfer device, cleaning devices, and a waste toner collecting unit. The cleaning devices... |
| US-7,373,007 |
Encoded data generation apparatus and a method, a program, and an
information recording medium An encoding process and a recompression process of encoded data are disclosed that appropriately select low-order bit planes and low-order sub bit planes, codes... |
| US-7,372,999 |
Image coder and image decoder capable of power-saving control in image
compression and decompression An image decoder comprises a code decompression/decoding unit that decodes code data produced through compression and encoding of image data, a power supply... |
| US-7,372,992 |
Image data processing machine An image data processing machine implementing image processing of image data input with different resolution values in consideration of resolution and qualities... |
| US-7,372,902 |
Pulse with modulation signal generating circuit A PWM signal generating circuit outputs a stable PWM signal for increasing and deceasing a duty ratio at a predetermined rate within a predetermined period... |
| US-7,372,800 |
Optical recording medium and optical recording process using the same An optical recording medium having two recording layer structures which includes a cover substrate, a grooved substrate, a first recording layer structure, an... |
| US-7,372,636 |
Zoom lens and image-taking device A zoom lens including subsequently from an object side of the zoom lens to an image side of the zoom lens: a first lens group with a positive focal length; a... |
| US-7,372,604 |
Multi-beam scanner, multi-beam scanning method, synchronizing beam
detecting method and image forming apparatus A multi-beam scanner includes light sources, a deflector deflecting the beams emitted from the light sources at an equiangular velocity, a scanning image-forming... |
| US-7,372,599 |
Image processor An image processor has a controller unit connected to at least one of functional units such as an image reading unit, detects a source of input of image data... |
| US-7,372,592 |
Information processing control method, image processing control method,
image processing control apparatus,... A digital signal processor (DSP) realizes an image processing function by downloading at least one of a computer program and data to realize image processing. A... |
| US-7,372,486 |
Photographing apparatus and method of adjusting an image of a
photographing object A photographing object image adjusting apparatus including a plurality of adjusting operation devices corresponding to a plurality of object image adjusting... |
| US-7,372,479 |
Apparatus and method for optical image formation control An image forming apparatus for forming images with an electrophotographic system. The image forming apparatus includes a laser drive unit configured to control a... |
| US-7,372,462 |
Three-dimensional geometry processing system and method for CAD apparatus
restricted in surface representations... A three-dimensional geometry processing system and method for converting boundary representations solid data in a first format into output solid data in a second... |
| US-7,371,708 |
Thermoreversible recording medium, thermoreversible recording label and
thermoreversible recording member, and,... The object of the present invention is to provide a thermoreversible recording medium which possesses not only such an excellent property that the electrostatic... |
| US-7,371,497 |
Electrophotographic image forming method An electrophotographic image forming apparatus comprising: an electrophotographic photoreceptor comprising: an electroconductive substrate; a charge... |
| US-7,371,491 |
Electrophotographic photoreceptor, method for manufacturing the
electrophotographic photoreceptor, and image... A photoreceptor including an electroconductive substrate; and a charge blocking layer; a moire preventing layer; and a photosensitive layer, which are overlaid... |
| US-7,371,490 |
Photoconductor, image forming apparatus, image forming process, and
process cartridge The object of the present invention is to provide a photoconductor that is highly sensitive, stable in image quality under repeated usages, and affords prolonged... |
| US-7,370,952 |
Ink, and, inkjet recording process, ink cartridge, recording unit, and
inkjet recording apparatus using the ink A water-based ink containing a surface treated pigment as a coloring material, a water-soluble organic solvent, water, both for dispersing the pigment, an... |
| US-7,370,950 |
Electronic device, replacement part thereof, package of replacement part,
and method for arranging identifying... An ink cartridge used in a color printer, comprises at the surface, a convexity or convexities (identifying section) that correspond to a color of an ink, and... |
| US-7,370,940 |
Liquid ejection head having improved durability against liquid, liquid
cartridge having such a liquid ejection... A liquid ejection head includes therein a movable member, wherein the movable member is formed of lamination of at least three layers, at least one layer thereof... |
| US-D568,928 |
Toner cartridge |
| US-7,369,807 |
Cleaner, and process cartridge and image forming apparatus using the
cleaner A cleaner for cleaning a surface of a rotating material, including an elastic blade arranged to counter the rotating material while a tip of the elastic blade is... |
| US-7,369,803 |
Fixing device and image forming apparatus using the same A fixing device for fixing image information on a recording medium passing a nip of the present invention includes a rotatable member for transferring and... |
| US-7,369,795 |
Image forming apparatus effectively producing quality color image without
causing color slippage An image forming apparatus includes a plurality of process cartridges. Each process cartridge includes an image carrier configured to form an image... |
| US-7,369,786 |
Sheet transporting apparatus and printing apparatus A sheet transporting apparatus includes: a heating roller and a pressure roller that heats and presses a toner image to fix the toner image onto the sheet; a... |
| US-7,369,783 |
Image forming apparatus, process cartridge, and development unit An image forming apparatus includes a plurality of developing devices, each of which stores a toner, a developing device installation section, in which the... |
| US-7,369,734 |
Optical control device An optical control device includes a photonic crystal and a line-defect waveguide formed in the photonic crystal wherein the optical control device is capable of... |
| US-7,369,713 |
Image processing apparatus and method for determining whether an image is
of a vertical or horizontal writing An image processing apparatus, including a transform unit configured to wavelet-transform image data into a set of wavelet coefficients, and a determination unit... |
| US-7,369,590 |
Laser diode driving circuit A disclosed laser diode driving circuit causes a laser diode to emit light by varying a current value of a current source in accordance with a control signal... |
| US-7,369,284 |
Image signal processing method, image signal processing device, and image
signal processing system A color image signal processing device having a high resolution and excellent color reproducibility even though the device comprises a one-chip color sensor. The... |
| US-7,369,283 |
Color image reading apparatus and color image reading method for
eliminating or reducing moire A color image reading apparatus reads an original image by a line sensor through sequentially lighting respective light sources of a plurality of colors with... |
| US-7,369,281 |
Facsimile device and a facsimile device monitoring system The invention relates to a facsimile device and a facsimile device monitoring system. The result of a transmission can be promptly informed to the user. When an... |
| US-7,369,277 |
Image processing apparatus, drawing processing method, and computer
program A drawing instruction processor refers to a bit map line table that shows whether the bit arrays in the row unit are the same in the order of concentrations. The... |
| US-7,369,256 |
Interruption of job in information processing apparatus by means of
acquisition and release of resources An information processing apparatus, which attends to inputting and outputting of image data, and processes the image data by performing a job that uses a... |
| US-7,369,147 |
Image forming apparatus and control method thereof An image forming apparatus includes a first writing control device configured to control a writing of a first latent image, a second writing control device... |
| US-7,368,981 |
Limit circuit A limit circuit capable of providing high gain. The limit circuit included in an FM receiver comprises, for example, seven amplifiers (11 to 17), and a BPF (18)... |
| US-7,368,900 |
Constant voltage circuit and constant current source, amplifier, and power
supply circuit using the same A constant voltage circuit is disclosed that includes a constant voltage generator circuit part converting an input voltage into a predetermined constant voltage... |
| US-7,368,896 |
Voltage regulator with plural error amplifiers A constant voltage circuit that is capable of realizing high speed response with respect to an abrupt change in an input voltage or a load current is disclosed.... |
| US-7,368,715 |
Semiconductor apparatus and infrared light sensor A semiconductor apparatus includes a pair of first and second field effect transistors formed on a semiconductor substrate. The pair of first and second field... |
| US-7,368,213 |
Toner and fixing device and image forming device using the same A toner containing toner particles having a core-shell structure containing a binder resin, a colorant and a release agent. The toner particles are prepared by... |
| US-7,368,212 |
Toner for developing electrostatic image, developer, image forming
apparatus, process for forming image,... A toner for developing an electrostatic image, includes: a colorant; and a binder resin. The toner has a particle including at least one pore having a diameter... |
| US-7,368,007 |
Ink-jet recording ink, image forming method, ink-jet recording apparatus
and imaged article An ink-jet recording ink contains at least a colorant, a moisturizer, water and a water-soluble substance capable of undergoing polycondensation along with... |
| US-7,367,667 |
Image forming apparatus with conveying part arranged to allow drying An image forming apparatus has a recording head forming an image on paper by jetting ink, a conveying part conveying the paper to a position opposite to said... |
| US-7,367,036 |
Recording/reproduction apparatus, driving method therefor and disk
cartridge A stabilizing part applying aerodynamic force to the recording medium so as to control disk axial runout of the recording disk and stabilize it; the stabilizing... |
| US-7,366,906 |
Digital certificate management system, digital certificate management
apparatus, digital certificate management... A digital certificate management apparatus updates a proof key used for proving validity of a digital certificate used for authentication for establishing... |
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.