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| Application No. | Application Title | Issue Date |
| 20120069097 | LIQUID EJECTING HEAD UNIT A liquid ejecting head unit includes a flow path unit including a flow path communicating with a plurality of nozzles, a head case in which a common liquid flow path for supplying liquid to the flow path of the flow path unit is formed and to which the flow path unit is... | 03/22/2012 |
| 20120069098 | 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 liqui... | 03/22/2012 |
| 20120050412 | LIQUID-EJECTING HEAD A liquid-ejecting head includes a recording element substrate that includes an energy generating element generating energy for ejecting a liquid from a discharge port, a supporting member that supports the recording element substrate and has a liquid chamber supplying t... | 03/01/2012 |
| 20120007925 | LIQUID EJECTION HEAD A liquid ejection head includes a common liquid chamber for storing liquid, a plurality of flow paths that communicate individually with the common liquid chamber and through which liquid from the common liquid chamber flows, a plurality of ejection orifices that commun... | 01/12/2012 |
| 20110310183 | SUBSTRATE FOR LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE HEAD A liquid discharge head includes a heat accumulation layer provided on a board, an energy generation element configured to generate energy to discharge liquid from a discharge port and including a heat generation resistor layer provided on the heat accumulation layer an... | 12/22/2011 |
| 20110292132 | LIQUID DISCHARGE HEAD Provided is a liquid discharge head including a discharge port; an energy application chamber that includes a heat generating element, and communicates with the discharge port; and a flow path that supplies the liquid to the energy application chamber, wherein the energ... | 12/01/2011 |
| 20110227987 | THERMAL INKJET PRINTHEAD FEED TRANSITION CHAMBER AND METHOD OF COOLING USING SAME A thermal inkjet printhead and a method of cooling convectively cool the printhead with ink passing through a feed transition chamber. The thermal inkjet printhead includes a bridge beam and feed channels adjacent to the bridge beam. The printhead further includes a fee... | 09/22/2011 |
| 20110205305 | HEATER CHIPS WITH SILICON DIE BONDED ON SILICON SUBSTRATE A heater chip has a substrate and at least one die, made of silicon, and a bond non-adhesively attaching them. The substrate, thick enough to resist bowing, has ink supply vias from back to front surfaces. The die has ink flow vias from back to front surfaces and circui... | 08/25/2011 |
| 20100283819 | LIQUID EJECTION HEAD A print head is provided that well preserves ink characteristics upon printing by way of performing effective ink preliminary heating. The print head has heaters, and ejection openings formed at locations corresponding to the heaters. Viewed from the side from which ink... | 11/11/2010 |
| 20100220155 | THERMAL INK JET PRINTHEAD An ink jet printhead includes a plurality of nozzles each having a nozzle aperture; a plurality of bubble forming chambers, each corresponding respectively to one of the plurality of nozzles; an inlet for communicating printing fluid between the nozzle aperture and a pr... | 09/02/2010 |
| 20100220154 | BASE FOR LIQUID DISCHARGE HEAD, AND LIQUID DISCHARGE HEAD USING THE SAME A base for a liquid discharge head includes a heat element which forms an exothermic portion 108, an electrode wire 105 that is electrically connected with the heat element, an insulative protective layer 106 provided above the heat generating resis... | 09/02/2010 |
| 20100208003 | PRINTHEAD WITH MULTIPLE HEATERS IN EACH CHAMBER An inkjet printhead with an array of ink chambers, each chamber having a plurality of nozzles. Multiple heater elements are positioned in each of the ink chambers, and electrically connected to each other in series. Drive circuitry selectively provides the heaters with ... | 08/19/2010 |
| 20100201754 | INK JET PRINT HEAD An ink jet print head is provided which can improve throughput by increasing an ink ejection frequency and prevent crosstalk among a plurality of heat application portions, realizing a capability of printing high-quality images at high speed. An opening size of the supp... | 08/12/2010 |
| 20100201753 | INK JET PRINT HEAD An ink jet print head is provided which has a reduced size and still can prevent an overall temperature increase in a printing element board. To this end, among ink supply port arrays formed on both sides of each nozzle array, the heat resistance of the portion (beams) ... | 08/12/2010 |
| 20100141711 | Liquid-jet head chip, liquid-jet head, and liquid-jet recording apparatus To discharge a liquid from each of liquid discharge flow paths without being affected by an operating state of the other liquid discharge flow paths, a liquid-jet head chip includes: an actuator substrate including a plurality of discharge grooves each being open on one... | 06/10/2010 |
| 20100123760 | LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE METHOD A liquid discharge head includes: a discharge port from which a liquid is discharged; a channel that communicates with the discharge port; and an energy generating element that is provided in the channel and generates energy used to discharge the liquid from the dischar... | 05/20/2010 |
| 20100073433 | LIQUID EJECTING HEAD A head for ejecting a liquid from ejection holes, including: a first flow-passage member in which is formed a first liquid-supply passage; a second flow-passage member in which is formed a second liquid-supply passage connected to the first passage and which has outflow... | 03/25/2010 |
| 20100039479 | PRINTHEAD Ink jet printheads and printhead components are described.... | 02/18/2010 |
| 20100026766 | LIQUID JET RECORDING HEAD A liquid jet recording head includes a substrate on which are formed recording elements that generate energy for ejecting liquid, and a flow passage forming member that is in contact with the substrate and in which are formed ejection ports that eject liquid and flow pa... | 02/04/2010 |
| 20100013893 | LIQUID EJECTING HEAD A liquid ejecting head includes: a flow path unit including a nozzle forming member with a plurality of nozzle orifices provided in a row, and a flow path forming substrate made of a metal, in which pressure generating chambers in communication with the nozzle orifices ... | 01/21/2010 |
| 20090295859 | SUBSTRATE FOR INKJET HEAD AND INKJET HEAD USING THE SAME A substrate has M×N heater elements divided into N blocks and time divisionally driven in units of the block, and signal lines for supplying M bits of signals for selecting elements to be driven in each block. The signal lines are divided into two groups, each extendin... | 12/03/2009 |
| 20090273650 | Printhead With Columns Extending Across Chamber Inlet An inkjet printhead for a printer that prints via an array of ink ejection devices. Each ink ejection device has a chamber for holding a quantity of ink. The chamber is partially defined by at least one sidewall and has an inlet in fluid communication with the chamber. ... | 11/05/2009 |
| 20090267997 | INK JET HEAD An ink jet head includes a substrate having an ink supply port; an ejection outlet for ejecting ink supplied through the supply port; a flow path portion which provides fluid communication between the supply port and the ejection outlet; wherein the flow path portion in... | 10/29/2009 |
| 20090244199 | LIQUID DISCHARGING HEAD AND INKJET HEAD A liquid discharging head includes a flow path unit having a common liquid flow path; an individual liquid flow path; and a plurality of plates that are stacked to form the common liquid flow path and the individual liquid flow path. The plurality of plates includes at ... | 10/01/2009 |
| 20090201343 | LIQUID EJECTION HEAD AND MANUFACTURING METHOD OF LIQUID EJECTION HEAD The present invention provides a liquid ejection head for which the peeling of an orifice plate from a substrate seldom occurs, even in a structure such that the walls that define each energy application chamber are narrowed toward a ejection port. The walls that define... | 08/13/2009 |
| 20090185009 | INKJET PRINTHEAD INTEGRATED CIRCUIT WITH RECTIFYING VALVES Provided is a unit cell arrangement for an inkjet printhead. The unit cell arrangement includes a substrate that defines an ink inlet and sidewalls supporting a roof portion on the wafer substrate to form an ink chamber. The roof portion defines at least one nozzle rim.... | 07/23/2009 |
| 20090167820 | Inkjet Head An inkjet head may comprise an ejection port which ejects ink and an ink flow path which supplies the ink to the ejection port. The inkjet head may also comprise an ejection actuator which supplies ejection energy to the ink in the ink flow path. The ejection energy may... | 07/02/2009 |
| 20090160913 | INK JET RECORDING HEAD AND MANUFACTURE METHOD FOR THE SAME An ink jet recording head has sufficient and uniform ink refill for all orifices and separate flow paths even though the substrate has a high rigidity by dividing a supply port into a plurality of ports. The substrate of the ink jet recording head has a plurality of sep... | 06/25/2009 |
| 20090153624 | LIQUID EJECTION HEAD AND PRINTING APPARATUS The present invention provides a reliable print head with improved reliability which is inhibited from being damaged by possible cavitation in ink inside a bubbling chamber, as well as a printing apparatus using the print head. A plurality of ink supply paths through wh... | 06/18/2009 |
| 20090141091 | INK JET RECORDING HEAD An ink jet recording head includes ejection energy generating elements for ejecting ink, flow passages for supplying the ink from an ink supply port to the ejection energy generating elements through a common liquid chamber, a partition wall formed between adjacent two ... | 06/04/2009 |
| 20090141108 | PRINTER WITH MINIMAL DISTANCE BETWEEN PRESSURE-DAMPENING STRUCTURES AND NOZZLES An inkjet printer is provided. The printer comprises an inkjet printhead having a plurality of nozzles; at least one ink reservoir; and an ink supply system for supplying ink from the reservoir to the plurality of nozzles, the ink supply system comprising at least one p... | 06/04/2009 |
| 20090141109 | PRINTHEAD WITH PRESSURE-DAMPENING STRUCTURES An inkjet printhead is provided. The printhead comprises a plurality of nozzle assemblies; a nozzle plate covering the plurality of nozzle assemblies; an ink supply system for supplying ink to the plurality of nozzle assemblies, the ink supply system comprising at least... | 06/04/2009 |
| 20090102893 | INK JET RECORDING HEAD AND RECORDING APPARATUS An ink jet recording head is constituted by a recording element substrate including an ejection outlet array consisting of a plurality of arranged ejection outlets for ejecting ink; a plurality of heat generating elements, provided correspondingly to the ejection outlet... | 04/23/2009 |
| 20090096841 | Liquid ejection head and liquid ejection device A flow path structure includes a heating element, a barrier layer, a liquid chamber formed by a part of the barrier layer and a pair of walls confronting each other to hold the heating element therebetween and a first individual flow path and a second individual flow pa... | 04/16/2009 |
| 20090079798 | Liquid-droplet jetting apparatus An ink storage chamber has a middle wall and a damper wall, which are in parallel to a flow direction of ink and which face each other vertically with a distance therebetween, and a surrounding wall surrounding a circumference of a space between the middle wall and the ... | 03/26/2009 |
| 20090058952 | 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, on which a plurality of heaters for heating ink to generated ink bubbles are formed; a chamber layer including a plurality of ink chambers formed on the ... | 03/05/2009 |
| 20090040279 | INKJET PRINTHEAD WITH NON-UNIFORM NOZZLE CHAMBER INLETS An inkjet printhead with an array of droplet ejectors arranged in adjacent rows, each nozzle having a nozzle, a chamber for containing printing fluid and a corresponding actuator for ejecting the printing fluid through the nozzle. Each of the chambers has a respective i... | 02/12/2009 |
| 20090040280 | LIQUID EJECTING HEAD AND LIQUID EJECTING DEVICE A liquid ejecting head having at least one heat-energy evolving element constructed in a pattern with at least one bend and that evolves heat energy to eject liquid, conductors connected to the heat evolving element and to the bend and a nozzle through which liquid is e... | 02/12/2009 |
| 20090027457 | Fluid ejection device Embodiments of a fluid ejection device are disclosed.... | 01/29/2009 |
| 20090021562 | LIQUID EJECTION HEAD AND RECORDING APPARATUS An ink jet recording head includes a plurality of ejection outlets for ejecting liquid; individual liquid chambers communicating with the plurality of ejection outlets; ejection energy generating elements, provided correspondingly to associated ones of the individual li... | 01/22/2009 |
