Inventor · disambiguated record
Douglas G. Keithley
Also filed as: KEITHLEY DOUGLAS G · KEITHLEY DOUGLAS GEN
6 granted patents·3 pending applications·216 citations·filing 1991–2003
86Inventor score
Top patents by PatentIndex Score
9 records- 0193US6571189B2System and method for scanner calibrationHEWLETT PACKARD CO·Filed 2001·Granted May 27, 2003·106 cites·45 claims
- 0282US7308375B2System and method for determining light source currentJENSEN NANETTE C·Filed 2001·Granted Dec 11, 2007·38 cites·20 claims
- 0368US7224484B1Scanner calibration with dead pixel compensationREEVES GERALD J·Filed 2000·Granted May 29, 2007·17 cites·12 claims
- 0467US7025266B2Device and method for digitizing a serialized scanner output signalKEITHLEY DOUGLAS GEN·Filed 2003·Granted Apr 11, 2006·10 cites·24 claims
- 0564US6542259B1Imaging system with color corrected light sourceHEWLETT PACKARD CO·Filed 1999·Granted Apr 1, 2003·32 cites·34 claims
- 0662US5521771AServo gain compensation in a disk driveHEWLETT PACKARD CO·Filed 1991·Granted May 28, 1996·13 cites·16 claims
- 0742US2002105589A1System and method for lens filter emulation in digital photographyFiled 2001·Application pending·0 cites
- 0839US2003001076A1System and methodology for the use of optical positioning system for scannersFiled 2001·Application pending·0 cites
- 0936US2003062467A1System and methodology for the use of optical positioning system for scannersFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →