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| Number | Title | Issue Date |
| 8172389 | Filter, liquid jetting apparatus, and liquid transporting apparatus A filter includes a filter plate provided with a through holes formation portion in which a plurality of through holes is formed, a ring-shaped piezoelectric layer arrangement portion on an upper surface of which a piezoelectric layer is formed, and a circular-shape... | 05/08/2012 |
| 8167419 | Ink jet recording head and ink jet recording apparatus An ink jet recording head includes a plurality of ink jet head substrates each including ejection outlets for ejecting ink and energy generating elements for generating energy for ejecting the ink; a supporting substrate for supporting the plurality of ink jet head ... | 05/01/2012 |
| 8132904 | Filter/wicking structure for micro-fluid ejection head A micro-fluid ejection head structure and a method for assembling a micro-fluid ejection head structure. The micro-fluid ejection head structure includes a molded, non-fibrous wicking and filtration structure. The wicking and filtration structure is fixedly attached... | 03/13/2012 |
| 8113642 | Liquid ejection head The present invention provides a liquid ejection head which includes a plurality of ejection ports 302 arranged so as to form an ejection port row and which, after a recovery process of expanding and transferring a bubble toward an ink supply port, allows the... | 02/14/2012 |
| 8070279 | Liquid ejection head, liquid cartridge, and image forming apparatus A liquid ejection head including a plurality of nozzles, a plurality of pressurizing liquid chambers, a liquid supply portion, and a filter portion. The plurality of nozzles ejects liquid droplets. The plurality of pressurizing liquid chambers are in fluid communica... | 12/06/2011 |
| 8066363 | Printhead filter systems and methods for manufacturing the same Ink delivery systems for an ink jet printer and methods for manufacturing the same. In an embodiment, the system comprises a separable ink tank, a printhead body having an opening, ink ejectors associated with the printhead body, and a retainer engaged with the towe... | 11/29/2011 |
| 8052267 | Inlet structure and assembly method In one embodiment, a fluid ejector assembly includes: an inlet structure having an opening therein through which fluid may enter the assembly, the inlet structure having a rim generally defining an outer perimeter of the inlet structure around the opening; a conduit... | 11/08/2011 |
| 8052266 | Liquid detection device, liquid ejecting apparatus, and method of detecting liquid A liquid detection device that drives a liquid detecting portion includes a driving portion, a signal detecting portion, a high-pass filter portion, a first switch, and a control portion. The driving portion supplies a driving signal or a preliminary charging voltag... | 11/08/2011 |
| 7938524 | Ink supply unit for ink jet printer An ink supply unit for a printhead includes a plurality of ink storage chambers; an ink distribution molding for supplying ink from the ink storage chambers to a back surface of the printhead, the ink distribution molding defining a series of slots for supplying ink... | 05/10/2011 |
| 7922311 | Ink-jet head and method of manufacturing the same An ink-jet head has a passage component made of resin and a filter plate through which ink is filtered. The filter plate is fixed to the passage component and has a melting point higher than that of the passage component. The filter plate has an annular region and a... | 04/12/2011 |
| 7922312 | Compact ink delivery in an ink pen In one embodiment an ink pen for an inkjet printer includes: an ink filter chamber; a pressure regulator chamber downstream from the ink filter chamber along a path of ink flow through the pen; a pressure regulator in the pressure regulator chamber; a filter in the ... | 04/12/2011 |
| 7905588 | Camera printhead assembly with baffles to retard ink acceleration A printhead assembly is provided for a print-on-demand camera system. The printhead assembly includes an ink ejection printhead integrated circuit (IC). An ink distribution molding is provided to which the IC is mounted, and though which ink is distributed to the IC... | 03/15/2011 |
| 7901064 | Ink jet recording head with ink filter formed of a plurality of stacked films An ink jet recording head includes: a substrate; a plurality of ink discharge ports formed to a front face side of the substrate, and a plurality of ink flow paths communicating with the ink discharge ports; an ink supply opening extending through the substrate and ... | 03/08/2011 |
| 7891798 | Micro-fluidic device having an improved filter layer and method for assembling a micro-fluidic device A method for assembling a micro-fluidic device better preserves the integrity of a filter in a filter layer and simplifies the bonding of the filter layer to the channel layers on each side of the filter layer. The method includes aligning a polymer layer having a p... | 02/22/2011 |
| 7891797 | Inkjet heads An inkjet head includes a flow channel member comprising a first orifice which opens in a first direction, in which ink flows into the first orifice. The flow channel member also includes a second orifice which opens in a second direction opposite to the first direc... | 02/22/2011 |
| 7891796 | Liquid application device, inkjet recording apparatus, and method of controlling liquid application device The present invention provides a liquid application device, an inkjet recording apparatus and a recording apparatus, which are capable of performing an adequate application initial operation according to the length of waiting time and power-off time, as well as a me... | 02/22/2011 |
| 7837315 | Cavity unit and ink-jet recording head and apparatus A cavity unit for use in an ink jet recording head, including plate members which stacked on each other and having an ink-introducing passage, a filter portion which removes foreign matters from introduced ink, two communication chambers which communicate with each ... | 11/23/2010 |
| 7828425 | Ink circulation system, inkjet recording apparatus, and ink circulation method thereof An ink circulation system, an inkjet recording apparatus having the ink circulation system, and an ink circulating method thereof. The ink circulation system includes an ink tank including an ink outlet and an ink inlet, a head assembly including a head chip through... | 11/09/2010 |
| 7775652 | Layered structure and ink-jet head including the same A layered structure has a first metal plate having a first hole, a second metal plate having a second hole designed to communicate with the first hole, and a filter plate at least a surface of which is made of a metal. The filter plate is sandwiched between the firs... | 08/17/2010 |
| 7758177 | High flowrate filter for inkjet printhead A filter for an inkjet printer that has a chamber divided into an upstream section and a downstream section by a filter membrane. An inlet conduit establishes fluid communication between an ink supply and the upstream section. An outlet conduit establishes fluid com... | 07/20/2010 |
| 7753513 | Ink-jet head, filter assembly used for manufacturing the ink-jet head, and method for manufacturing the ink-jet head using the filter assembly An ink-jet head comprises a passage unit with an ink passage formed therein and a branching passage unit, and is constructed by laminating the passage unit and the branching passage unit with each other. The ink passage extends from a common ink chamber for supplyin... | 07/13/2010 |
| 7722178 | Ink-jet head The passage unit is provided with a through hole that connects the ink ejection face and the support face. The ink supply block is provided with a through hole that connects the bond face and the ink inlet face. The filter film blocks communication between the throu... | 05/25/2010 |
| 7690777 | Filter device and liquid droplet ejecting device The present invention provides a filter device including a supply channel where a liquid flows in; a first liquid chamber that is communicated with the supply channel; a second liquid chamber that is communicated with the first liquid chamber; a first discharge chan... | 04/06/2010 |
| 7614733 | Filter for printhead assembly A method of supplying liquid ink to a printhead assembly including a carrier, a printhead die mounted on the carrier, and a fluid delivery assembly communicated with the carrier includes communicating a fluid manifold of the carrier with the printhead die, communica... | 11/10/2009 |
| 7597435 | Ink supply unit for an ink jet printer An ink supply unit for use with a printhead, the ink supply unit including a plurality of ink storage chambers for supplying ink to the back surface of the printhead by way of an ink distribution molding. The molding includes a series of slots for supplying ink via ... | 10/06/2009 |
| 7585065 | Ink-jet recording apparatus One embodiment of the invention relates to an ink-jet recording apparatus comprising an ink-jet head with an ink passage having an inner volume and a preservative in the ink passage in a preservative residual ratio of no greater than 10%. Another embodiment of the i... | 09/08/2009 |
| 7585066 | Ink supply unit with a baffle arrangement An ink supply unit is provided for a printer. The unit includes an elongate printhead configured to eject ink. An ink distribution manifold defines a printhead aperture in which the printhead is received and a series of slots through which ink can flow to the printh... | 09/08/2009 |
| 7537328 | Liquid ejecting head and liquid ejecting apparatus A liquid ejecting head includes a head main body including a plurality of nozzle openings that eject a liquid; a first supply channel that supplies the liquid from a reservoir unit containing the liquid to the head main body for each nozzle group of the head main bo... | 05/26/2009 |
| 7537327 | Internal die filters with multiple passageways which are fluidically in parallel An internal filter includes a lower substrate and an upper substrate. Fluid passages are formed by etching grooves into the surface(s) of the upper and/or lower substrates and/or in one or more intermediate layers. The filter pores extending between the fluid passag... | 05/26/2009 |
| 7475975 | Inkjet printhead assembly An inkjet printhead assembly includes: a channel structure defining inside thereof an ink supply channel connected to an ink supply source accommodating ink; a filter member having a filtering area where a plurality of filter holes are formed through the thickness, ... | 01/13/2009 |
| 7448741 | Elongated filter assembly Systems and techniques are described relating to a filter assembly. In one embodiment, an ink filter assembly includes an inlet channel configured to direct a flow of ink toward an elongated chamber, and an outlet channel configured to direct the flow of ink from an... | 11/11/2008 |
| 7448742 | Reusable cartridge for inkjet printer A cartridge for an inkjet printing apparatus. A case of molded plastic includes a downwardly-projecting nose section. An opening in the bottom of the nose section is surrounded by an upstanding stand pipe internal to the cartridge. An insert holds a filter and inclu... | 11/11/2008 |
| 7438403 | Inkjet printhead with compensating member An inkjet printhead includes: a cavity unit having aligned nozzles, pressure chambers correspondingly aligned, and a common-chamber member having a common chamber connected, at an introduction place, to an ink source to receive and distribute ink to the pressure cha... | 10/21/2008 |
| 7431444 | Inkjet head with filter for ink supply openings There is provided an inkjet head with a plurality of nozzle rows, each of which has a plurality of nozzles arranged along a first direction. A plurality of fluid channels connects a plurality of common ink chambers to the plurality nozzles via the plurality of press... | 10/07/2008 |
| 7416295 | Filter for printhead assembly A filter for a printhead assembly includes a frame having an opening formed therein, filter material enclosing the opening of the frame, and a fluid fitting associated with the frame, the fluid fitting including a fluid port offset from the frame and a fluid passage... | 08/26/2008 |
| 7396119 | Apparatus and methods for water-based ink printing A printer that includes at least one printhead mounted to a carriage of a printing system, and a secondary ink container mounted to the carriage and which holds an ink and is in fluid communication with the at least one printhead. A pressure source in fluid communic... | 07/08/2008 |
| 7377629 | Liquid discharge head with filter structure The present invention can suppress penetration of dust and foreign particles into a nozzle of an ink jet recording head, and can manufacture and make functional a structure therefor in an economic manner and with high reliability. An ink discharge energy generating ... | 05/27/2008 |
| 7374280 | Image forming apparatus and method The image forming apparatus comprises: an ink ejection device which ejects droplets of a radiation-curable ink onto a recording medium; a conveyance device which causes the ink ejection device and the recording medium to move relatively to each other in a relative m... | 05/20/2008 |
| 7370934 | Inkjet head having arrangement for preventing clogging of filter with adhesive An inkjet head including: (a) a passage defining unit having (a-1) pressure chambers and (a-2) inlets opening in its an inlet defining surface and held in communication with the pressure chambers; (b) a filter plate disposed on the inlet defining surface of the pass... | 05/13/2008 |
| 7370945 | Inkjet head An ink jet head in which a head chip on which a nozzle for jetting ink and an ink supply port that is communicated with the nozzle are formed and a manifold on which an ink channel connecting port and a groove communicating with the ink channel connecting port are f... | 05/13/2008 |
