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| Number | Title | Issue Date |
| 8444241 | Inkjet printer A print head includes an ink chamber for storing ink therein, an ink propelling mechanism for propelling ink out of the ink chamber, and a temperature sensor for measuring an ink temperature in the ink chamber, an ink circulation route has a route including the ink ... | 05/21/2013 |
| 8439463 | Image-forming method and record An image-forming method includes a first image-forming step of forming an image on a fabric with a first ink composition and a second image-forming step of forming an image on the fabric with a second ink composition subsequently to the first image-forming step. The... | 05/14/2013 |
| 8408667 | Liquid ejection head and recording apparatus having the same A liquid ejection head includes: an ejection port; a supply section and a discharge section; a main flow channel; a supply flow channel; a filter; and a sub flow channel, one end of which is connected to a first connection position near the supply section, and the o... | 04/02/2013 |
| 8403439 | Flow rate control device, liquid-droplet ejecting device, and computer readable medium A flow rate control device includes a pressure generating unit that delivers a liquid to a liquid reservoir unit including an ejecting port; a flow rate control unit that controls a flow rate of the pressure generating unit by performing a first flow rate control an... | 03/26/2013 |
| 8398190 | Fluid ejection device and fluid stirring method for the same, and fluid storage device and fluid stirring method for the same A fluid storage device for storing a fluid, and a fluid ejection head for ejecting the fluid fed from the fluid storage device are provided. The fluid storage device is provided with a storage tank, and a spherical body formed of a magnetic material and provided ins... | 03/19/2013 |
| 8398189 | Liquid discharge apparatus A liquid discharge apparatus is provided, including a cartridge attaching section to which a first liquid cartridge and a second liquid cartridge smaller than the first liquid cartridge are selectively attached, a liquid discharge head having a plurality of nozzles ... | 03/19/2013 |
| 8360540 | Recording apparatus A recording apparatus of the present invention includes: a recording head having ejection openings which eject liquid, a liquid supply unit which supplies the liquid to the recording head, and a supply control unit which controls the liquid supply unit. The recordin... | 01/29/2013 |
| 8356867 | Inkjet image forming apparatus and method of controlling ink flow An inkjet image forming apparatus includes a print head, an ink tank to store ink, an ink feeding path to feed the ink from the ink tank to the print head, a filter disposed on the ink feeding path, and a press unit disposed on the ink feeding path between the filte... | 01/22/2013 |
| 8336978 | Heating flow path unit and liquid ejecting head In the heating flow path unit, the entrance-side sealing member has an inflow restriction portion which restricts flow of liquid on a portion corresponding to an individual entrance-side opening of a liquid flow path in which flow rate is relatively high among the l... | 12/25/2012 |
| 8322807 | Ink jet printing apparatus and ink jet printing method with stir mode for stir operation of ink tank The present invention provides an ink jet printing apparatus and a method for controlling an ink jet printing apparatus which, during a non-print operation excluding a print operation, can stir ink at a required time and to a required level according to the state of... | 12/04/2012 |
| 8313157 | Inkjet recording apparatus An inkjet recording device includes a liquid-droplet ejection head having nozzles for ejecting droplets of a liquid, a flexible tube member connected to the head, a tube pump disposed on the tube member to supply the liquid to the head through the tube member, a rot... | 11/20/2012 |
| 8308252 | Inkjet printer Streams of ink being returned by a circulation pump from a lower tank through an upstream flow path block to an upper tank have viscosities higher than viscosities of streams of ink being supplied from the upper tank through a downstream flow path block to an inkjet... | 11/13/2012 |
| 8303060 | Image forming apparatus An image forming apparatus includes a suction unit; a pressure unit configured to pressurize the inside of a supply channel extending from a liquid container to a recording head at a pressurizing position along the supply channel; an opening and closing unit configu... | 11/06/2012 |
| 8292385 | Ink supply system without pump, for ink jet printer with ink recirculation system An ink supply system for an industrial inkjet printer makes use of a least one buffer vessel wherein ink at low pressure is isolated and pressurized to a high pressure suited for feeding the ink to the printhead. A recirculation ink supply system using plural buffer... | 10/23/2012 |
| 8277006 | Controllable maintenance operations for efficient ink use A method of controlling in a printer the maintenance of an inkjet printhead supplied with fluid from a plurality of fluid sources, the method includes the steps of (a) monitoring the usage of the plurality of fluid sources; (b) identifying a preferred fluid source f... | 10/02/2012 |
| 8246131 | Inkjet printer An inkjet printer includes an inkjet cartridge, an inkjet head, a controller, a viscosity adjustment device and a viscometer. The inkjet cartridge is filled with ink. The inkjet head is connected to the inkjet cartridge. The catcher plate is opposite to the inkjet h... | 08/21/2012 |
| 8240793 | Fluid supply device, printing device, and method of controlling a fluid supply device A fluid supply device, a printing device, and a control method for a fluid supply device can desirably supply a fluid while maintaining good throughput, and can reduce device size and cost with a simple construction. The inkjet printer has an expansion mechanism tha... | 08/14/2012 |
| 8235483 | Droplet jetting device A droplet jetting device that includes a recording head section, a pressure sensor and a regulation pump is provided. The recording head section includes a recording head that jets droplets from nozzles and records an image at a recording medium. The pressure sensor... | 08/07/2012 |
| 8235482 | Liquid ejection apparatus, image forming apparatus and liquid storage amount judgment method The liquid ejection apparatus has: a sub tank having a liquid chamber which stores liquid, a gas chamber which fills with gas, and a flexible film which divides the liquid chamber from the gas chamber; a liquid tank which is connected to the liquid chamber and store... | 08/07/2012 |
| 8215733 | Process and device for ink quality control An apparatus and process of controlling ink quality are provided. The process includes providing an imprinted polymer microbalance in an inkjet printer, whereby the microbalance presents an equilibrium setpoint vibratory characteristic when in contact with a setpoin... | 07/10/2012 |
| 8191978 | Inkjet image former A controller works with a measure of temperature of ink at a temperature sensor within a first temperature range to have an inkjet head propel out droplets of ink at a first discharge speed for formation of images, and with a measure of temperature of ink at the tem... | 06/05/2012 |
| 8186784 | Continuous inkjet printing A continuous inkjet method in which liquid passes through a nozzle, the liquid being jetted comprising one or more dispersed or particulate components and where the particle Peclet number, Pe, defined by Pe = | 05/29/2012 |
| 8172348 | Print head cap vent A print head cap includes a vent which is opened during storage of the print head against the cap, is closed during priming of fluid through nozzles of the print head and is opened to stop the priming. Pumping of fluid from the cap is started substantially immediate... | 05/08/2012 |
| 8162423 | Inkjet recording method and apparatus The inkjet recording method includes: a treatment liquid deposition step of depositing a treatment liquid containing an aggregating agent onto a surface of a coating layer of a coated paper having a base paper layer and the coating layer coating the base paper layer... | 04/24/2012 |
| 8162424 | Ink-jet recording method and ink-jet recording apparatus An ink-jet recording method includes: determining an aggregation degree G (AB) brought about when the ink A and the ink B are brought in contact with each other, at least one of the ink A and the ink B containing a pigment; judging, based on the aggregation degree G... | 04/24/2012 |
| 8123316 | Inkjet image-forming apparatus and method for printing An image forming apparatus including: a print-job controller configured to receive a print job and control a printing operation based on the received print job; an ink-ejection driver configured to output a driving signal on the basis of the print job; an ink ejecto... | 02/28/2012 |
| 8118381 | Image forming apparatus An image forming apparatus includes a recording head configured to jet a liquid; a liquid tank configured to store the liquid; and a supply tube having flexibility, the supply tube being provided between the liquid tank and the recording head, wherein the supply tub... | 02/21/2012 |
| 8113612 | Ink delivery system An ink delivery system includes a plurality of ink supplies, an air pressure source to generate ink pressure for each ink supply, an ink valve associated with each ink supply, where each ink valve is configured to prevent a reverse flow of ink from a pen to the asso... | 02/14/2012 |
| 8042895 | Ink conductivity recovery method for an imaging device A method for restoring ink conductivity of ink in an ink reservoir comprises detecting an ink conductivity of an ink volume in an ink reservoir, and comparing the detected ink conductivity to a predetermined ink conductivity operational range. A flush routine is per... | 10/25/2011 |
| 8042894 | Apparatus that uses consumable items and a method of managing such apparatus An apparatus is provided that uses a consumable item, of given type, requiring occasional renewal. The apparatus has a first operating mode in which it only works with a subset of consumable items of the given type; the apparatus also has a second operating mode in ... | 10/25/2011 |
| 8042896 | Ink jet printer having ink maintenance system An ink jet printer performs a print process by ejecting ink for each of a plurality of ink colors. When a predetermined first circulation time elapses after starting the ink circulation, an ink agitating operation drive signal generation unit applies an ink agitatin... | 10/25/2011 |
| 8029082 | Liquid discharging apparatus, liquid discharging method, and program A liquid discharging apparatus includes a head that is driven in response to a driving signal to discharge liquid, a controller that drives the head by generating the driving signal, an adjustment unit that adjusts the temperature of the liquid, and a supply path th... | 10/04/2011 |
| 8016375 | Image forming apparatus An image forming apparatus includes a recording head configured to jet a liquid; a liquid tank configured to store the liquid; and a supply tube having flexibility, the supply tube being provided between the liquid tank and the recording head, wherein the supply tub... | 09/13/2011 |
| 8002371 | Filling, identifying, validating, and servicing tip for fluid-ejection device A tip to be placed on a fluid-ejection device is filled with fluid. The fluid may be introduced into a substantially hollow body of the tip at a first end of the body. The body of the tip has a second end at which a fluid-ejection mechanism is disposed to eject the ... | 08/23/2011 |
| 7997669 | Inkjet recording apparatus An inkjet recording apparatus including: (a) a recording head; (b) an ink supply source; (c) an ink supply conduit interconnecting the recording head and the ink supply source, such that the ink is supplied from the ink supply source to the recording head in an ink ... | 08/16/2011 |
| 7997670 | Liquid-ejection apparatus A liquid-ejection apparatus, including: a head configured to eject a liquid from a plurality of liquid-ejection openings; a main tank configured to accommodate the liquid supplied to the head; a liquid-supply pump configured to supply the liquid in the main tank to ... | 08/16/2011 |
| 7938497 | Ink jet printer An ink jet printer is provided with an ink jet head, an elastically deformable sub-ink tank, an actuator, an ink quantity detection device, controller, and a main ink tank which communicates with the sub-ink tank. The actuator performs a predetermined action, such t... | 05/10/2011 |
| 7887148 | Method of depriming a printhead with concomitant isolation of ink supply chamber A method of depriming a printhead. The method comprises the steps of: (i) providing a printhead having a plurality of nozzles for ejection of ink, an ink inlet and an ink outlet; (ii) providing an ink chamber having an outlet port connected to the ink inlet via an u... | 02/15/2011 |
| 7837285 | Inkjet printing using protective ink A method for modifying an input digital image having one or more color channels corresponding to one or more color inks and a protective ink channel corresponding to a substantially clear protective ink, each channel having an (x,y) array of pixel values, to form a ... | 11/23/2010 |
| 7810893 | Apparatus for regulating viscosity of ink Disclosed is an apparatus for regulating viscosity of ink, which is installed on a flow path of ink in a printing device for regulation of ink viscosity. The apparatus includes a housing installed on the flow path and having an introduction hole and a discharge hole... | 10/12/2010 |
