Inventor · disambiguated record
Francesc Subirada
Also filed as: SUBIRADA FRANCESC
24 granted patents·595 citations·filing 1997–2004
96Inventor score
Top patents by PatentIndex Score
24 records- 0194US6623096B1Techniques for measuring the position of marks on media and for aligning inkjet devicesHEWLETT PACKARD CO·Filed 2000·Granted Sep 23, 2003·85 cites·37 claims
- 0292US6196652B1Scanning an inkjet test pattern for different calibration adjustmentsHEWLETT PACKARD CO·Filed 1998·Granted Mar 6, 2001·85 cites·17 claims
- 0391US6494558B1Compensation for marking-position errors along the pen-length direction, in inkjet printingHEWLETT PACKARD CO·Filed 2000·Granted Dec 17, 2002·40 cites·10 claims
- 0490US6648444B2High throughput parallel drop detection schemeHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Nov 18, 2003·38 cites·24 claims
- 0590US6352331B1Detection of non-firing printhead nozzles by optical scanning of a test patternHEWLETT PACKARD CO·Filed 1997·Granted Mar 5, 2002·96 cites·24 claims
- 0686US7055925B2Calibration and measurement techniques for printersHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jun 6, 2006·40 cites·9 claims
- 0783US7287824B2Method and apparatus for assessing nozzle healthHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Oct 30, 2007·26 cites·27 claims
- 0878US7027076B2Media-position media sensorHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Apr 11, 2006·19 cites·33 claims
- 0978US6547362B2Test-based advance optimization in incremental printing: median, sensitivity-weighted mean, normal random variationHEWLETT PACKARD CO·Filed 2001·Granted Apr 15, 2003·20 cites·33 claims
- 1077US7417768B1Apparatus and method for mitigating colorant-deposition errors in incremental printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Aug 26, 2008·25 cites·34 claims
- 1177US7023581B2Compensating for drift and sensor proximity in a scanning sensor, in color calibrating incremental printersHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Apr 4, 2006·20 cites·40 claims
- 1276US6669322B2Method and system for calibrating ink ejection elements in an image forming deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Dec 30, 2003·15 cites·15 claims
- 1372US7216952B2Multicolor-printer and method of printing imagesHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted May 15, 2007·13 cites·20 claims
- 1469US6390587B1Calibration system and method scanning repeated subsets of print test patterns having common color reference markingsHEWLETT PACKARD CO·Filed 1998·Granted May 21, 2002·25 cites·19 claims
- 1560US6164750AAutomated test pattern technique using accelerated sequence of color printing and optical scanningHEWLETT PACKARD CO·Filed 1998·Granted Dec 26, 2000·20 cites·15 claims
- 1657US7146049B2Making the apparent speed of elements imaged at different speeds approximately the same for image recognitionHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Dec 5, 2006·7 cites·37 claims
- 1753US6834928B2Determination of media advancement based on one pixel-wide media imagesHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Dec 28, 2004·5 cites·36 claims
- 1851US6918651B2Scan axis assembly for a printerHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jul 19, 2005·5 cites·41 claims
- 1949US6910754B2Method and system for calibrating ink ejection elements in an image forming deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jun 28, 2005·3 cites·8 claims
- 2048US7413276B2Diagnostic for visual detection of media advance errorsHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 19, 2008·4 cites·8 claims
- 2146US7207640B2Progressive and fast printmask revision based on incremental changes to printing element conditionHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Apr 24, 2007·2 cites·23 claims
- 2245US7111918B2Dual-axis media-positioning sensorHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Sep 26, 2006·0 cites·28 claims
- 2340US7034279B2Method and system for printhead rotation detection using photosensorsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Apr 25, 2006·1 cites·31 claims
- 2437US7431412B2Media-position sensor systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Oct 7, 2008·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →