Inventor · disambiguated record
Eugene A. Roylance
Also filed as: ROYLANCE EUGENE A · ROYLANCE EUGENE ASTON
15 granted patents·6 pending applications·274 citations·filing 1994–2018
93Inventor score
Top patents by PatentIndex Score
21 records- 0187US6439679B1Pulse with modulation signal generating methods and apparatusesHEWLETT PACKARD CO·Filed 2001·Granted Aug 27, 2002·31 cites·22 claims
- 0284US7443413B2Laser diode modulator and method of controlling laser diode modulatorHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Oct 28, 2008·9 cites·18 claims
- 0382US6941011B2Method and system for image processing including mixed resolution, multi-channel color compression, transmission and decompressionHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Sep 6, 2005·26 cites·21 claims
- 0476US6390579B1Pulse width modulator using delay-line technology with automatic calibration of delays to desired operating frequencyHEWLETT PACKARD CO·Filed 1999·Granted May 21, 2002·64 cites·19 claims
- 0574US7251061B2Resolution enhancement apparatus, systems, and methodsHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jul 31, 2007·13 cites·9 claims
- 0674US5987221AEncoded orphan pixels for discriminating halftone data from text and line art dataHEWLETT PACKARD CO·Filed 1997·Granted Nov 16, 1999·48 cites·22 claims
- 0773US6236427B1Edge placement deviceHEWLETT PACKARD CO·Filed 2000·Granted May 22, 2001·19 cites·18 claims
- 0871US6437553B1Method for delay line linearity testingAGILENTTECHNOLOGIES INC·Filed 2000·Granted Aug 20, 2002·19 cites·13 claims
- 0966US6340986B1Method and device for time shifting transitions in an imaging deviceHEWLETT PACKARD CO·Filed 2000·Granted Jan 22, 2002·7 cites·28 claims
- 1053US7422310B2Methods and apparatus for selecting image enhancement techniquesHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Sep 9, 2008·1 cites·24 claims
- 1152US6678426B1Programmable mapping of lower resolution digital data to a higher resolution for output on a lower resolution deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 1998·Granted Jan 13, 2004·19 cites·22 claims
- 1250US7480072B2Efficient and flexible multi-bit halftoningHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Jan 20, 2009·2 cites·19 claims
- 1350US5517601AHigh speed apparatus and method for rasterization of font glyphsHEWLETT PACKARD CO·Filed 1994·Granted May 14, 1996·15 cites·8 claims
- 1449US7710443B2Providing dataHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted May 4, 2010·0 cites·20 claims
- 1545US7142316B2Supporting multiple print engine configurations through compatible delay window storage modesHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Nov 28, 2006·1 cites·33 claims
- 1641US2002067509A1Method, apparatus and system for dynamic switching of image processing techniquesFiled 2000·Application pending·0 cites
- 1740US2003172162A1Distributed translation network for parallel job execution using registry schemeFiled 2002·Application pending·0 cites
- 1838US2005099448A1Methods and apparatus for selecting image enhancement techniquesFiled 2004·Application pending·0 cites
- 1937US2020402263A1Processing imagesHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Application pending·0 cites
- 2037US2005018005A1Methods and apparatus for selecting image enhancement techniquesFiled 2003·Application pending·0 cites
- 2136US2003007703A1Configurable image processing logic for use in image processing devicesFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →