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| Number | Title | Issue Date |
| 8182067 | Droplet discharge head and droplet discharging unit incorporating the same A droplet discharge head includes: a liquid reservoir which holds a liquid; a channel through which the liquid is guided to the liquid reservoir; and a driving element which changes the pressure in the liquid reservoir so as to discharge droplets of the liquid conta... | 05/22/2012 |
| 8182068 | Printhead including dual nozzle structure A printhead includes a first nozzle bore, a liquid chamber, and a second nozzle bore. The liquid chamber is positioned between the first nozzle bore and the second nozzle bore and extends beyond the opening of the first nozzle bore. The first nozzle bore is in liqui... | 05/22/2012 |
| 8167407 | Liquid discharge method, liquid discharge head and liquid discharge apparatus having projections within discharge port A liquid discharge head is arranged in a manner that in the cross-section of a discharge port perpendicular to a liquid discharge direction, the discharge port includes at least one projection that is convex inside the discharge port; a first area, for holding a liq... | 05/01/2012 |
| 8167405 | Liquid ejection head and method of producing the same A liquid ejection head, including: plates including a nozzle plate in which nozzles for ejecting liquid are formed, and stacked on each other with the nozzle plate being as an outermost plate, wherein the nozzle plate includes a first area in which the nozzles are f... | 05/01/2012 |
| 8167406 | Printhead having reinforced nozzle membrane structure A printhead includes a nozzle membrane, a substrate, and a support structure. The nozzle membrane includes an external surface, a length, and a plurality of nozzles located along the length of the nozzle membrane. The nozzle membrane is affixed to the substrate. The... | 05/01/2012 |
| 8162440 | Inkjet printhead and method of manufacturing the same Provided are an inkjet printhead and a method of manufacturing the same. The inkjet printhead includes: a substrate including an ink feed hole; a chamber layer formed on the substrate and including a plurality of ink chambers in which ink supplied from the ink feed ... | 04/24/2012 |
| 8157354 | Head chip, liquid jet head, and liquid jet device A head chip has an actuator plate having a plurality of grooves, a drive electrode formed on each of the side walls of the grooves, and a cover plate which has an introduction aperture. A nozzle plate is fixed to an end surface of the actuator plate through an adhes... | 04/17/2012 |
| 8157353 | Liquid ejection recording head A liquid ejection recording head includes a recording element substrate including a plurality of energy generating elements for generating energy for ejecting liquid, and a flow passage-forming member, connected to the recording element substrate, comprising a plura... | 04/17/2012 |
| 8152276 | Liquid jet head, method for manufacturing liquid jet head, and method for forming structure for liquid jet head A liquid ejecting head includes a coating resin layer including a plurality of ejection outlets for ejecting liquid and flow paths which are in fluid communication with the ejection outlets, respectively; a substrate having energy generating elements for generating ... | 04/10/2012 |
| 8147035 | Fluid discharging apparatus and method of controlling the fluid discharging apparatus A fluid discharging apparatus including a head, a medium support portion, a contact member, and an actuator portion. The head includes a plurality of nozzles through which a fluid is discharged onto a target medium. The medium support portion supports the medium. Th... | 04/03/2012 |
| 8147036 | Polyfunctional epoxy compound, epoxy resin, cationic photopolymerizable epoxy resin composition, micro structured member, producing method therefor and liquid discharge head A hyper branched type epoxy resin including a polymerized substance generated from a polyfunctional epoxy compound represented by a formula (I), wherein the polyfunctional epoxy compound represented by the formula (I) includes group A having aromatic hydroxyl group,... | 04/03/2012 |
| 8147037 | Inkjet printhead and method of manufacturing the same Provided are an inkjet printhead and a method of manufacturing the same. The inkjet printhead includes a substrate which includes an ink feed passage, a chamber layer, which is disposed on the substrate and a plurality of ink chambers in which ink supplied from the ... | 04/03/2012 |
| 8147038 | Image forming apparatus and method The image forming apparatus includes: a first group of large nozzles which eject large droplets of liquid for a color; a second group of small nozzles which eject small droplets of the liquid for the color, the small droplets having volume smaller than the large dro... | 04/03/2012 |
| 8141983 | Liquid jet head and image forming apparatus A liquid jet head includes a nozzle member having plural nozzles for jetting a liquid therefrom, a flow path member forming at least a part of a liquid chamber communicating with each of the plural nozzles, and a pressure generating part for generating pressure that... | 03/27/2012 |
| 8136922 | Self-assembly monolayer modified printhead Described herein are printheads for inkjet printing and, more specifically, printheads modified with a self-assembly monolayer (SAM). Also described are processes for making and using the printheads as well as processes for forming patterns and images on a substrate... | 03/20/2012 |
| 8136921 | Liquid droplet ejection apparatus A liquid droplet ejection apparatus includes: a flow path unit including first and second pressure chambers for first and second liquids, respectively, and first and second nozzles communicating with the first and second pressure chambers, respectively, each of the ... | 03/20/2012 |
| 8136920 | Nozzle plate, method for manufacturing nozzle plate, droplet discharge head, and droplet discharge apparatus A nozzle plate includes: a first silicon layer; a glass layer; a second silicon layer provided between the first silicon layer and the glass layer, the second silicon layer being bonded to the glass layer; and a silicon oxide layer provided between the first silicon... | 03/20/2012 |
| 8128203 | Ink-jet printhead and manufacturing method thereof The present invention provides a process for manufacturing an ink-jet printhead comprising the steps of providing a print head wafer comprising a plurality of print head dice, each print head die comprising a nozzle plate bonded to a barrier layer formed on a substr... | 03/06/2012 |
| 8123334 | Liquid ejection head and image forming apparatus A liquid ejection head has: a nozzle plate having a nozzle surface in which at least one nozzle for ejecting droplets of a liquid are formed; an anti-drying liquid supply port which supplies an anti-drying liquid to the nozzle surface of the nozzle plate; a flow cha... | 02/28/2012 |
| 8118403 | Inkjet printhead and method of manufacturing the same An inkjet printhead and a method of manufacturing the inkjet printhead. In the inkjet printhead, an anti reflective layer is formed of a material absorbing light on a chamber layer, and a nozzle layer including a plurality of nozzles is formed on the anti reflective... | 02/21/2012 |
| 8118402 | Ink-jet head having passage unit and actuator units attached to the passage unit, and ink-jet printer having the ink-jet head A printhead module includes a plurality of rows of printhead nozzles, at least some of the rows including at least one displaced row portion, the displacement of the row portion including a component in a direction normal to that of a pagewidth to be printed, wherei... | 02/21/2012 |
| 8113626 | Recording apparatus and recording apparatus manufacturing method A recording apparatus includes a first recording head. The first recording head includes a first nozzle plate. The first nozzle plate includes a first group of nozzle holes and a first positioning hole configured to position the first recording head. A second record... | 02/14/2012 |
| 8109609 | Ink ejecting device and method of manufacturing the same Disclosed are an ink ejecting device and a method of manufacturing the same. The disclosed ink ejecting device includes an inkjet head including a substrate, which includes an ink feed hole, a plurality of via holes, which are formed in the rear surface of the subst... | 02/07/2012 |
| 8104871 | Printhead integrated circuit with multiple ink inlet flow paths A printhead integrated circuit (IC) with an array of ink chambers defined by sidewalls extending between a nozzle plate and an underlying wafer substrate, each chamber having a nozzle in the nozzle plate plurality of nozzles, and an actuator for ejecting ink through... | 01/31/2012 |
| 8104872 | Inkjet printhead and method of manufacturing the same An inkjet printhead includes: a substrate in which an ink feed hole is formed; a chamber layer which is formed on the substrate by performing a photolithography process and which includes a first photosensitive resin; and a nozzle layer which is formed on the chambe... | 01/31/2012 |
| 8100504 | Inkjet recording apparatus and inkjet recording method The present invention aims to obtain a highly reliable inkjet recording apparatus using a nozzle plate which is excellent not only in ink repellency at the initial stage of the lifetime thereof but also excellent in mechanical durability against wiping, and the like... | 01/24/2012 |
| 8100506 | Printhead assembly with ink leakage containment walls for nozzle groups A printhead assembly comprising a substrate defining a plurality of ink inlets; a plurality of nozzle assemblies positioned on the substrate, each nozzle assembly defining a nozzle chamber in fluid communication with a respective ink inlet and a nozzle opening from ... | 01/24/2012 |
| 8100505 | Liquid ejecting head and manufacturing dimension control method A liquid ejecting head includes a substrate, a nozzle forming member for forming on a principal surface of the substrate a nozzle comprising a flow passage of liquid and an orifice for ejecting the liquid, and a dummy pattern. The dummy pattern has substantially the... | 01/24/2012 |
| 8096638 | Nozzle assembly for a printhead arrangement with gutter formations to prevent nozzle contamination A printhead arrangement for a printer, the arrangement having a plurality of nozzle assemblies formed on a wafer substrate by means of micro-electromechanical (MEMS) techniques. Each assembly includes an ink chamber with at least one ink supply channel etched into t... | 01/17/2012 |
| 8091983 | Jet directionality control using printhead nozzle A method of printing and an apparatus for controlling the directionality of liquid emitted from nozzles of a printhead are provided. Example embodiments of the apparatus include directionality control of liquid jets or liquid drops using a liquid jet directionality ... | 01/10/2012 |
| 8091984 | Inkjet printhead employing active and static ink ejection structures An inkjet printhead includes a wafer having a droplet ejection side and a liquid supply side opposite the droplet ejection side; a plurality of active ink ejection structures formed on the droplet ejection side of the wafer, each active ink ejection structure partia... | 01/10/2012 |
| 8091985 | Printhead having ejection nozzles with displaceable fluid chambers A printhead is provided having a plurality of ejection nozzles defined in an array along a substrate. Each nozzle has a wall portion bounding a respective fluid inlet defined in the substrate, a crown portion defining an ejection port, a skirt portion depending from... | 01/10/2012 |
| 8087749 | Ink jet recording head, ink jet cartridge, and method for manufacturing ink jet recording head An ink jet recording head has an array of ink ejection outlets in an ejection outlet forming surface, to which a protection tape is adhered during transportation. The ejection outlet forming surface has an outside area which is outside of each of opposite ends of th... | 01/03/2012 |
| 8087750 | Liquid droplet discharging device and image forming device There is provided a liquid droplet discharging device including: a liquid passage member provided with a liquid passage into which a liquid is supplied; plural nozzles provided for the liquid passage member and each discharging the liquid contained in the liquid pas... | 01/03/2012 |
| 8075096 | Inkjet printhead with first and second nozzle plates An inkjet printhead with first and second nozzle plates. The first nozzle plate is comprised of a first material spanning a plurality of nozzles. The first nozzle plate has a plurality of cavities filled with a filler such that an upper surface of the first nozzle p... | 12/13/2011 |
| 8075095 | Inkjet printhead with moving nozzle openings A printhead is provided for an inkjet printer. The printhead includes a substrate assembly defining ink inlet channels. Nozzles openings formed on the substrate assembly are in fluid communication with respective ink inlet channels. Lever arms extend from respective... | 12/13/2011 |
| 8070258 | Inkjet head An inkjet head is disclosed. The inkjet head, which include a head body, having one side, in which a nozzle is formed to discharge ink; and a protrusion, formed in one side of the head body, spaced from the nozzle, can form a groove on the surface of a printing targ... | 12/06/2011 |
| 8061809 | Liquid ejection head A liquid ejection head includes a substrate having a supply port through which liquid is supplied and a plurality of energy generating elements provided along the supply port and generating energy for ejecting the liquid, a nozzle plate having nozzles provided there... | 11/22/2011 |
| 8061810 | Mitigation of fluid leaks A fluid ejector head includes a die with a plurality of fluid ejector units, each fluid ejector unit comprising a pumping actuator having a drive electrode, and a manifold that contacts the first side of the die to define a module volume in fluidic communication wit... | 11/22/2011 |
| 8061808 | Recording head An inkjet recording head includes a substrate having a discharge port surface on which discharge ports configured to discharge a liquid are formed. The discharge port surface of the substrate includes a plurality of point-symmetrical continuous grooves which are cen... | 11/22/2011 |
