U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.

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Examiner: Huffman, Julian D.


Primary examiner statistics: 137 patents; average approval time: 142 days
Assistant examiner statistics: 242 patents; average approval time: 1014 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
7857406 Inkjet head driving apparatus and driving method
7828408 Liquid ejection apparatus
7469983 Drop size control
7458670 Cloth printing apparatus
7455390 Printhead assembly with a mounting channel having a silicon core
7452050 Head substrate, printhead, head cartridge, and printing apparatus...
7448709 Printing head, image printing apparatus using the same, and contr...
7448721 Inkjet printing apparatus and inkjet printing method
7441880 Common inkjet printer cradle for pagewidth printhead printer cart...
7441849 Droplet ejection apparatus
7441857 Image forming apparatus
7441861 Ink-jet recording apparatus
7441855 Ink jet recording apparatus, method of controlling the apparatus,...
7438372 Driver device for recording head
7434902 Printheads and systems using printheads
7431439 Liquid supply device and recording apparatus incorporating the sa...
7431414 Printer-control apparatus, printer-control method and printer
7427127 Head cartridge and liquid-ejecting apparatus
7422298 Inkjet recording apparatus and recording method
7422310 Methods and apparatus for selecting image enhancement techniques
7422311 Liquid transport head and liquid transport apparatus provided wit...
7419258 Electronic device having detachable controller
7419232 Inkjet printer
7416267 Print job data processing for multi-head printers
7413279 Inkjet printer
7413297 Full liquid version of ink jet cassette for use with ink jet prin...
7410232 Ink-droplet ejecting apparatus
7410231 Pen voltage regulator for inkjet printers
7407254 Droplet discharge inspection apparatus and method
7407277 Inkjet recording apparatus
7407245 Printing apparatus, printing method, computer program, and comput...
7407279 Image forming apparatus and cleaning method thereof
7407251 Printing method, computer-readable medium, printing apparatus, pr...
7404620 Inkjet printer having thermally stable modular printhead
7401905 Ink-jet head with ink blockage prevention device
7401879 Liquid ejection apparatus
7399043 Compensation for uneven printhead module lengths in a multi-modul...
7396096 Inkjet recording device
7393075 Recording apparatus, and feed control method of recording medium ...
7393069 Image forming apparatus

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
7234792 Computer consumable component employed with an associated compute...
7204580 System for aligning a plurality of printhead modules
7201462 Ink jet printing apparatus and method for correcting ejection dri...
7168777 Feedback arrangement for a printer having a microelectromechanica...
7138695 Image sensor module and method for fabricating the same
7121651 Droplet-jetting device with pressure chamber expandable by elonga...
7114797 Actuator device, liquid ejection head, and method of inspecting t...
7114791 Head driving device of liquid jetting apparatus and method of dri...
7108365 Ink-jet recording device and copier
7108349 Print head charge shield
7108894 Direct Write™ System
7104622 Device and method for driving jetting head
7104636 Pen maintenance system and method for operating same
7101012 Cartridge, printing apparatus, and method of transmitting informa...
7101014 Printer component
7101015 Print control apparatus and method for inkjet printers capable of...
7101032 Fixed material transportation apparatus and liquid fixing apparat...
7101011 Recording apparatus, method and program utilizing compensation do...
7099598 Method and apparatus for modifying a printing process in response...
7093931 Fixed material transportation apparatus, fixed material dischargi...
7095531 Systems and methods for compensating for streaks in images
7095427 Image forming apparatus transfer unit with toner layer charge-to-...
7090324 System and methods for compensating for streaks in images
7086715 Method of printing a test pattern, an image forming device, and a...
7066584 Piezoelectric ink jet recording head formed by press working
7059707 Ink jet print head
7055922 Applying voltages to an ink jet printhead
7044595 Apparatus to control static electricity in an ink-jet printer
7044574 Method and apparatus for generating and assigning a cartridge ide...
7040736 Modular printhead assembly with thermal expansion compensation
7036903 Inkjet printer checking nozzle and providing abnormal nozzle info...
7038703 Label printer with label edge detector
7036901 Method for reducing thermal accumulation during inkjet printing
7036898 Supplying power to logic systems in printers
7036900 Printing method and apparatus for back-up of defective marking el...
7033009 Ink cartridge, ink-jet type printing apparatus using the same, an...
7025442 Laser ink jet printer
7018007 Ink-jet pocket printing
7014288 Recording apparatus and control method therefor
7014290 Method and related apparatus for performing short and open circui...
 
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