Lam S Nguyen

US Patent 11167574 Step compensating carriage printer

US Patent 7128380 Recording liquid container, ink jet recording apparatus, and cartridge collecting apparatus

US Patent 11173707 Driving circuit, liquid ejecting head, and liquid-ejecting recording apparatus

US Patent 11173733 Printing device repeatedly performing print cycle including a plurality of conveying periods and a plurality of printing periods

US Patent 7303243 Pattern drawing apparatus and pattern drawing method for forming patterns, that have mirror image relationship to each other with respect to a substrate, on both sides of the substrate, and test apparatus for use in the pattern drawing apparatus

US Patent 7303244 Method for the printing of homogeneous electronic material with a multi-ejector print head

US Patent 7314268 Connection apparatus for circuit board, ink jet type recording apparatus using the same, IC chip and ink cartridge having IC chip

US Patent 7350894 Ink jet printer

US Patent 7360859 Unclogging printer nozzles

US Patent 11179931 Ejecting apparatus and method of controlling liquid ejecting apparatus

US Patent 11179932 Liquid ejection head

US Patent 11179940 Liquid discharging device and wiping method

US Patent 7377604 Printer and method for printing thereof

US Patent 7380895 Droplet ejection device

US Patent 7384109 Method and apparatus of flexibly controlling print throughput and quality

US Patent 7384110 Method for adjustment and printing system

US Patent 7384112 Inkjet recording apparatus

US Patent 7387360 Ink jet recording head, liquid storage container and ink jet recording apparatus

US Patent 7390070 Ink-jet printer

US Patent 7393070 Printing device, printing device control, program and method, and printing data generation device, program and method

US Patent 7393073 Multi-printhead digital printer

US Patent 7393089 Method of refilling an ink cartridge for use in ink jet recorder

US Patent 7393098 Liquid jet writing instrument

US Patent 7394477 Image formation apparatus

US Patent 7397491 Light-emitting device and image forming apparatus

US Patent 7399042 Head driving device

US Patent 7399048 Inkjet recording apparatus and method for detecting discharge defects

US Patent 7399059 Ink jet printing apparatus, ink jet printing method, information processing device and program

US Patent 7400335 Method for printing a halftone digital image

US Patent 7401909 Ink container for ink jet printer, holder for the container, carriage for the holder and ink jet printer

US Patent 7407258 Ink jet recording method, recording apparatus, and recorded object

US Patent 7407264 Liquid discharging apparatus and liquid discharging method

US Patent 7407274 Ink container for ink jet printer, holder for the container carriage for the holder and ink jet printer

US Patent 7407275 Ink container for ink jet printer, holder for the container, carriage for the holder and ink jet printer

US Patent 7413276 Diagnostic for visual detection of media advance errors

US Patent 7413277 Method for controlling nozzle position in image forming apparatus

US Patent 7413282 Ink jet printing apparatus and preliminary ejecting method

US Patent 7416269 Ink jet printer, controlling method for an ink jet printer, and computer program product therefor

US Patent 7419231 Power sensing circuit

US Patent 7419237 Recording head unit

US Patent 7425054 Reduced memory usage for delay buffer during printing swaths in an inkjet printer

US Patent 7425057 Liquid discharge head and method for manufacturing the same

US Patent 7427116 Gap adjusting device, recording apparatus and liquid ejection apparatus

US Patent 7427118 Systems and methods for detecting intermittent, weak and missing jets with an inline linear array sensor

US Patent 7431412 Media-position sensor system

US Patent 7434911 System and method to hide die-to-die boundary banding defects in a drum printer

US Patent 7438369 Recording apparatus having a device for detecting the presence or absence of a liquid

US Patent 7438370 Display control method and apparatus for printer

US Patent 7438376 Device and method for detecting temperature of head driver IC for ink jet printer

US Patent 7441851 Circuit of multiplexing inkjet print system and control circuit thereof

US Patent 7445302 Method for determining a printhead gap in an ink jet apparatus that performs bi-directional alignment of the printhead

US Patent 7445305 Droplet ejection apparatus and droplet ejection method

US Patent 7448706 Image forming apparatus and method

US Patent 7452041 Ink jet heater chip with internally generated clock signal

US Patent 7452048 Method of reading a two-dimensional code carrying image processing instructions

US Patent 7455380 Printing apparatus, media detection apparatus, media detection method, measurement method, computer-readable storage medium, and printing system

US Patent 7458654 Liquid ejection apparatus and ejection abnormality determination method

US Patent 7461909 Mounting structure of liquid sensor and liquid container

US Patent 7470005 Nozzle arrangement with a movement sensor for an inkjet printer

US Patent 7470013 Recording liquid container, ink jet recording apparatus, and cartridge collecting apparatus

US Patent 7472975 Substrate for ink jet printing head, ink jet printing head, ink jet printing apparatus, and method of blowing fuse element of ink jet printing head

US Patent 7472983 Intelligent print mask

US Patent 7481527 Liquid ejection apparatus

US Patent 7484823 Methods and apparatuses for regulating the temperature of multi-via heater chips

US Patent 7497534 Enhancing angular position information for a radial printing system

US Patent 7497535 Print control apparatus, print control method thereof, control program, printer driver, printer, and computer readable storage medium

US Patent 7499068 Apparatus and method for multichannel sequence transmission and control

US Patent 7503632 Head substrate having data memory, printing head, printing apparatus and producing method therefor

US Patent 7510255 Device and method for detecting temperature of head driver IC for ink jet printer

US Patent 7510258 Method of detecting the alignment of printheads in a printer

US Patent 7513591 Ink tank position detection method

US Patent 11186103 Printing management apparatus

US Patent 11186104 Image forming system

US Patent 7533952 Printing method, printing apparatus, and computer-readable medium

US Patent 7533954 Printing media type discrimination apparatus and method, and printing apparatus

US Patent 7537297 Printer controller for a MEMS-based page width inkjet printer

US Patent 7540578 Inkjet recording apparatus

US Patent 7543898 Liquid ejection apparatus

US Patent 7549716 Method of ejecting microdroplets of ink

US Patent 7549719 Method for the printing of homogeneous electronic material with a multi-ejector print head

US Patent 7552986 Systems and methods for reducing process direction registration errors of a printhead using a linear array sensor

US Patent 7556330 Recording apparatus and recording method

US Patent 7556341 Liquid jet apparatus and cleaning method for liquid jet head

US Patent 7562952 Residual ink amount detection module for ink jet recording, ink tank with the module, and ink jet recording device

US Patent 7562953 Recording liquid container, ink jet recording apparatus, and cartridge collecting apparatus

US Patent 7571973 Monitoring fluid short conditions for fluid-ejection devices

US Patent 7571975 Defect detection device of a print head and method of detecting defect of a print head

US Patent 7578568 Liquid ejection method

US Patent 7581804 Printing apparatus and printing method

US Patent 7581806 Printer and detachable printer tray

US Patent 7585043 Method of authenticating a consumable

US Patent 7588300 Image-forming apparatus

US Patent 7591518 Image forming apparatus

US Patent 7591520 Ink jet printer and method for determining pulse width

US Patent 7594708 Methods and apparatuses for sensing temperature of multi-via heater chips

US Patent 7597434 Ink-jet apparatus and method of the same

US Patent 7600841 Recording apparatus

US Patent 7600845 Piezoelectric head inspection device and droplet jetting device

US Patent 7604321 Thermal inkjet printhead with de-clog firing mode

US Patent 7604327 Liquid ejection apparatus and method for controlling liquid ejection apparatus

US Patent 7607745 Digital printing machine

US Patent 7614714 Liquid application device and ink jet recording apparatus

US Patent 7614717 Pen fault check circuit for ink jet printer

US Patent 7614724 Printhead assembly with dual power input

US Patent 7618108 Inkjet recording apparatus

US Patent 7618109 Method of operating a thermal bend actuator

US Patent 7621617 Ink droplet detection apparatus

US Patent 7621622 Liquid ejection head

US Patent 7635173 Inkjet printer with spill detection

US Patent 7641302 Apparatus and method of compensating for defective nozzle

US Patent 7641308 Printing method, printing apparatus, printing control apparatus and storage medium

US Patent 7641330 Liquid ejecting apparatus

US Patent 7645007 Ink jet recording apparatus, nozzle inspection method and program thereof

US Patent 7645008 Pressure sensor, pressure measurement apparatus, liquid ejection head and image forming apparatus

US Patent 7645009 Printing system that enables adjustment of positional misalignment of dot creation, equivalent method of adjustment, and recording medium

US Patent 7645012 Recording apparatus

US Patent 7648225 Printing method, printing system and storage medium

US Patent 7651189 Liquid-ejection testing method, liquid-ejection testing device, and computer-readable medium

US Patent 7651190 Inkjet recording apparatus

US Patent 7651201 Ink jet recording head and ink jet recorder

US Patent 7654645 MEMS bubble generator

US Patent 7658458 Inkjet recording apparatus and method of determining control condition in the apparatus

US Patent 7658487 Liquid drop ejecting device, controller therefor, liquid drop ejecting method, and storage medium storing a program

US Patent 7661783 Inkjet recording apparatus and control method for the same

US Patent 7661786 Ink jet recording apparatus and ink jet recording method

US Patent 7669946 Ink jet printing system for printing colored images on contact lenses

US Patent 7671965 Lithographic projection apparatus, device manufacturing method and device manufactured thereby

US Patent 7673961 Inspection method for a recording head, inspection apparatus for a recording head, and recording apparatus

US Patent 7673973 Micro-fluid ejecting device having embedded memory devices

US Patent 7681964 Recording medium processing apparatus, printing method, and computer program

US Patent 7681969 Liquid ejection apparatus

US Patent 7681970 Self initialising printhead IC

US Patent 7681973 Ink jet printing apparatus, ink jet print head, ink jet printing method, and method and program for setting print conditions

US Patent 7681976 Printer and print-condition setting method for the same

US Patent 7682015 Ink-jet recording apparatus

US Patent 7686409 Driver device and print head

US Patent 7686413 Ink jet printing apparatus and ink jet printing method

US Patent 7686415 Liquid droplet jetting apparatus

US Patent 7690749 Method for evaluating bleeding, and image recording method and apparatus

US Patent 7690750 Printing apparatus and printing position control method

US Patent 7695082 PCMCIA printing device

US Patent 7695084 Waveform data-processing device and waveform data-processing method

US Patent 7695087 Printing apparatus and printing method

US Patent 7695108 Fluid-ejecting integrated circuit utilizing electromagnetic displacement

US Patent 7699416 Printing device

US Patent 7703875 Printing nozzle arrangement having movement sensor

US Patent 7703876 Control system for printing apparatus and information processing apparatus

US Patent 7703904 Printing apparatus and control method of printing apparatus

US Patent 7708368 Method for evaluating color mixing, image recording method, and image recording apparatus

US Patent 7708379 Method and apparatus for driving printer head and image formation

US Patent 7712867 Printhead assembly with a flexible extrusion

US Patent 7712891 Image-forming device

US Patent 7717531 Print head apparatus with malfunction detector

US Patent 7722142 Ink-jet printer

US Patent 7722147 Printing system architecture

US Patent 7722148 Liquid discharge head and liquid discharge apparatus using liquid discharge head

US Patent 7722149 Printer and print control apparatus and method thereof, and printer driver

US Patent 7722157 Ink jet printing method and printer

US Patent 7726758 Composite printhead fire signals

US Patent 7726760 Printing apparatus, method of inspecting nozzles for abnormalities, and program

US Patent 7726762 Printing method and printing apparatus

US Patent 7726765 Printing method, storage medium, medium, printing apparatus, method for detecting end of image, method for detecting carrying unevenness of medium, and device for detecting carrying unevenness of medium

US Patent 7726766 Image forming apparatus

US Patent 7731319 Imaging head elevator

US Patent 7735944 Printer comprising two printhead modules and at least two printer controllers

US Patent 7735951 Alignment method for hand-operated printer

US Patent 7744182 Capacitive load driving circuit and method, and liquid drop ejecting device

US Patent 7744188 Print head check method and image forming apparatus

US Patent 7744198 Inkjet head printing device

US Patent 7748810 Image processing device, calibration table generator, image processing method, program product, and test pattern

US Patent 7748825 Droplet discharge method, droplet discharge apparatus, manufacturing method for liquid crystal device, liquid crystal device, and electronic apparatus

US Patent 7753464 Liquid-jet apparatus

US Patent 7758143 Printhead module having nozzle redundancy

US Patent 7758165 Ink-jet printhead and manufacturing method thereof

US Patent 7758169 Printheads and printhead cartridges using a printhead

US Patent 7766445 Inkjet recording apparatus

US Patent 7766447 Banding adjustment method for multiple printheads

US Patent 7766452 Ink jet recording head, liquid storage container and ink jet recording apparatus

US Patent 7770993 Printing device and print image processing device

US Patent 7770998 Method and apparatus for color image forming capable of effectively forming a quality color image

US Patent 7770999 Sonic leak testing on ink delivery systems and ink jet heads

US Patent 7777773 Image quality attributes tracking and preventive maintenance prediction

US Patent 7780256 Printhead IC with spaced nozzle firing sequence

US Patent RE41601 Ink cartridge for ink-jet printing apparatus

US Patent 7784891 Image recording apparatus

US Patent 7784893 Image-forming device

US Patent 7784915 MEMS device with nanocrystalline heater

US Patent 7789493 Method for manufacturing piezoelectric ink-jet printhead

US Patent 7794042 Systems and methods for reducing process direction registration errors of a printhead using a linear array sensor

US Patent 7794057 Fluid ejection device

US Patent 7798592 Droplet ejection head drive method, droplet ejection device, and electrooptic apparatus

US Patent 7798594 Method of authenticating a consumable

US Patent 7798595 Substrate for ink jet printing head, ink jet printing head, ink jet printing apparatus, and method of blowing fuse element of ink jet printing head

US Patent 7798611 Circuit routing for printhead having increased corrosion resistance

US Patent 7802857 Thermal printer

US Patent 7802863 Ink-jet recording apparatus

US Patent 7802878 Liquid droplet ejection mechanism and image forming apparatus

US Patent 7806496 Printhead substrate, inkjet printhead, and inkjet printing apparatus

US Patent 7810892 Element substrate, printhead, head cartridge, and printing apparatus

US Patent 7810901 Driving apparatus

US Patent 7815285 Printhead having a plurality of print modes

US Patent 7815299 Ink cartridges

US Patent 7819492 Image processing apparatus, image processing method and computer-readable recording medium of image processing method

US Patent 7819493 Element board for printhead, and printhead having the same

US Patent 7819494 Printhead IC with multi-stage print data loading and firing

US Patent 7819496 Inkjet recording apparatus

US Patent 7824001 Apparatus and methods for servicing 3D printers

US Patent 7824012 Ink jet recording head wiring pattern

US Patent 7828400 Image forming apparatus having position detection mechanism

US Patent 7832837 Print assembly and printer having wide printing zone

US Patent 7832842 Printer controller for supplying data to a printhead module having interleaved shift registers

US Patent 7837295 Measuring method and arrangement to determine the play of an ink jet cartridge pivot unit

US Patent 7837933 Ultra-violet lamp and reflector/shield assembly

US Patent 7840163 Position detecting device and image forming apparatus

US Patent 7841678 Element substrate, printhead, head cartridge, and printing apparatus

US Patent 7841703 Printhead having rows of symmetrically arranged nozzles

US Patent 7850272 Recording apparatus

US Patent 7857405 Method of mapping error-detection and redundant encoded data to an image

US Patent 7857415 Ink tank position detection method

US Patent 7862139 Method of adjusting output signal level, and liquid ejecting apparatus operable to execute the same

US Patent 7871140 Image recording apparatus

US Patent 7871143 Ground structure for temperature-sensing resistor noise reduction

US Patent 7871158 Image forming apparatus and method for controlling the image forming apparatus

US Patent 7874631 Printhead integrated circuit with open actuator test

US Patent 7874633 Printhead IC with non-ejection maintenance

US Patent 7874643 Printhead assembly with parallel power input

US Patent 7874646 MEMS bubble generator incorporating superalloy heater in direct contact with bubble formation liquid without intervening protective coating

US Patent 7876466 Printer controller having JPEG and EDRL circuitry

US Patent 7878608 Liquid discharge apparatus and maintenance method for liquid discharge apparatus

US Patent 7878626 Printing method, printing apparatus, printing control apparatus and storage medium

US Patent 7883165 Droplet information measuring method and apparatus therefor, film pattern forming method, device manufacturing method, droplet discharge apparatus, electro-optical apparatus, and electronic apparatus

US Patent 7887172 Liquid container

US Patent 7891748 Print engine controller having controller circuitry with an open actuator test circuit

US Patent 7891749 Printhead IC with multiple operating modes

US Patent 7891766 Printhead having combined printhead module types

US Patent 7896460 Systems and methods for detecting intermittent, weak and missing jets with an inline linear array sensor

US Patent 7896465 Inkjet printhead with a printer controller for controlling nozzle firing sequence

US Patent 7901020 Printing apparatus and printing method

US Patent 7901026 Drop analysis system

US Patent 7901037 Print engine having printhead control modes

US Patent 7901056 Printhead with increasing drive pulse to counter heater oxide growth

US Patent 7905565 Recording apparatus and method for detecting the position of an ink container

US Patent 7905590 Image forming method and apparatus capable for preventing cockling

US Patent 7907160 Track labeling on a medium

US Patent 7909434 Printhead and method of printing

US Patent 7914107 Printer incorporating multiple synchronizing printer controllers

US Patent 7914137 Ink container for ink jet printer, holder for the container, carriage for the holder, and ink jet printer

US Patent 7918522 Printhead system for modulating printhead peak power requirement using redundant nozzles

US Patent 7918527 Method for use in achieving velocity optimization for a printhead

US Patent 7922273 Card-type printing device

US Patent 7922288 Printing system

US Patent 7926900 Method of printing with high spot placement accuracy

US Patent 7926906 Ink jet printing apparatus and ink absorber recovery method

US Patent 7938500 Printhead IC with multiple temperature sensors

US Patent 7938501 Ink jet printing apparatus and ink jet printing method

US Patent 7938505 Printhead assembly with ink supply via extrusion

US Patent 7938514 Printing nozzle having fault sensor

US Patent 7938532 Hand held printer with vertical misalignment correction

US Patent 7946668 Printing on a rotating surface

US Patent 7946686 Bonded printhead assembly

US Patent 7950757 Image recording apparatus

US Patent 7950759 Operating method for inkjet head

US Patent 7950765 Liquid discharge head and liquid discharge apparatus using liquid discharge head

US Patent 7954917 Exposure device, exposure system, light-emitting element circuit board and image forming apparatus

US Patent 7954923 Liquid ejecting apparatus and liquid ejecting method

US Patent 7954929 Micro-fluid ejecting device having embedded memory in communication with an external controller

US Patent 7959264 Print head having extended surface elements

US Patent 7963628 Method for the printing of homogeneous electronic material with a multi-ejector print head

US Patent 7967406 Method of storing data on a photograph

US Patent 7967412 Printer having multiple nozzle ics and cappers

US Patent 7971954 Recording apparatus and method of controlling recording apparatus

US Patent 7976145 Recording method

US Patent 7976195 Ultra-violet lamp and reflection/shield assembly

US Patent 7980645 Droplet applying apparatus, method for measuring gap of droplet ejecting section and method for adjusting gap of droplet ejecting section

US Patent 7980649 Apparatus and method of ink jet printing

US Patent 7980674 Printhead incorporating pressure pulse diffusing structures between ink chambers supplied by same ink inlet

US Patent 7988247 Ejection of drops having variable drop size from an ink jet printer

US Patent 7988249 Liquid ejecting apparatus

US Patent 7988252 Method of estimating alignment

US Patent 7988262 Fluid-ejecting integrated circuit utilizing electromagnetic displacement

US Patent 7992952 Enhanced communications protocol for improved modularity in a micro-fluid ejection device

US Patent 7992956 Systems and methods for calibrating inkjet print head nozzles using light transmittance measured through deposited ink

US Patent 7992958 Method for the printing of homogeneous electronic material with a multi-ejector print head

US Patent 7997675 Piezoelectric head inspection device and droplet jetting device

US Patent 7997680 Method for the printing of homogeneous electronic material with a multi-ejector print head

US Patent 8007064 Image forming apparatus, image forming method, and recording medium storing program that causes the apparatus to execute the method

US Patent 8007066 Printing apparatus, printing method and method of manufacturing printing apparatus

US Patent 8011746 Image-forming system, image-forming apparatus, computer program, and image-forming method

US Patent 8011754 Wide format pagewidth inkjet printer