Inventor · disambiguated record
Bradford B. Chew
Also filed as: CHEW BRADFORD · CHEW BRADFORD B
30 granted patents·1,628 citations·filing 1998–2016
97Inventor score
Files withCLARITY MEDICAL SYSTEMS INC9NELLCOR PURITAN BENNETT INC6NELLCOR PURITAN BENNETT LLC6MALLINCKRODT INC3CHEW BRADFORD B1
Top patents by PatentIndex Score
30 records- 0192US7400919B2Oximeter ambient light cancellationNELLCOR PURITAN BENNETT LLC·Filed 2006·Granted Jul 15, 2008·75 cites·18 claims
- 0291US6356774B1Oximeter sensor with encoded temperature characteristicMALLINCKRODT INC·Filed 1999·Granted Mar 12, 2002·539 cites·23 claims
- 0390US7869849B2Opaque, electrically nonconductive region on a medical sensorNELLCOR PURITAN BENNETT LLC·Filed 2006·Granted Jan 11, 2011·66 cites·31 claims
- 0489US9101292B2Apparatus and method for operating a real time large dipoter range sequential wavefront sensorCLARITY MEDICAL SYSTEMS INC·Filed 2013·Granted Aug 11, 2015·9 cites·14 claims
- 0588US6023541AActive optical oximeter probe adapterNELLCOR PURITAN BENNETT INC·Filed 1998·Granted Feb 8, 2000·377 cites·20 claims
- 0687US6571113B1Oximeter sensor adapter with coding elementMALLINCKRODT INC·Filed 2000·Granted May 27, 2003·203 cites·14 claims
- 0785US6490466B1Interconnect circuit between non-compatible oximeter and sensorMALLINCKRODT INC·Filed 2000·Granted Dec 3, 2002·166 cites·11 claims
- 0884US9585553B2Apparatus and method for operating a real time large diopter range sequential wavefront sensorCLARITY MEDICAL SYSTEMS INC·Filed 2015·Granted Mar 7, 2017·3 cites·8 claims
- 0984US7355539B2Multi-bit ADC with sigma-delta modulationNELLCOR PURITAN BENNETT INC·Filed 2006·Granted Apr 8, 2008·31 cites·20 claims
- 1083US9782064B1Obtaining and displaying histogram and/or confidence of intra-operative refraction and/or IOL power recommendationCLARITY MEDICAL SYSTEMS INC·Filed 2016·Granted Oct 10, 2017·5 cites·15 claims
- 1176US9107608B2Apparatus and method for operating a real time large diopter range sequential wavefront sensorCLARITY MEDICAL SYSTEMS INC·Filed 2013·Granted Aug 18, 2015·4 cites·8 claims
- 1275US8919957B2Apparatus and method for operating a real time large diopter range sequential wavefront sensorCLARITY MEDICAL SYSTEMS INC·Filed 2013·Granted Dec 30, 2014·4 cites·4 claims
- 1372US9113819B2Apparatus and method for operating a real time large diopter range sequential wavefront sensorCLARITY MEDICAL SYSTEMS INC·Filed 2013·Granted Aug 25, 2015·1 cites·18 claims
- 1470US8315684B2Oximeter ambient light cancellationPETERSEN ETHAN·Filed 2008·Granted Nov 20, 2012·5 cites·20 claims
- 1570US7212847B2Delta-sigma modulator for outputting analog representation of physiological signalNELLCOR PURITAN BENNETT LLC·Filed 2004·Granted May 1, 2007·16 cites·19 claims
- 1669US8882270B2Apparatus and method for operating a real time large diopter range sequential wavefront sensorCLARITY MEDICAL SYSTEMS INC·Filed 2013·Granted Nov 11, 2014·2 cites·6 claims
- 1765US9050026B2Apparatus and method for operating a real time large diopter range sequential wavefront sensorCLARITY MEDICAL SYSTEMS INC·Filed 2013·Granted Jun 9, 2015·1 cites·8 claims
- 1864US8919958B2Apparatus and method for operating a real time large diopter range sequential wavefront sensorCLARITY MEDICAL SYSTEMS INC·Filed 2013·Granted Dec 30, 2014·1 cites·5 claims
- 1962US7476131B2Device for reducing crosstalkNELLCOR PURITAN BENNETT LLC·Filed 2006·Granted Jan 13, 2009·2 cites·10 claims
- 2061US7120479B2Switch-mode oximeter LED drive with a single inductorNELLCOR PURITAN BENNETT INC·Filed 2004·Granted Oct 10, 2006·19 cites·4 claims
- 2160US8195262B2Switch-mode oximeter LED drive with a single inductorCHEW BRADFORD B·Filed 2006·Granted Jun 5, 2012·3 cites·27 claims
- 2260US7215985B2Oximeter cross-talk reductionNELLCOR PURITAIN BENNETT INC·Filed 2004·Granted May 8, 2007·27 cites·19 claims
- 2358US8515512B2Opaque, electrically nonconductive region on a medical sensorOLLERDESSEN ALBERT L·Filed 2010·Granted Aug 20, 2013·2 cites·20 claims
- 2458US7373192B2Oximeter red and IR zero calibration controlNELLCOR PURITAN BENNETT INC·Filed 2004·Granted May 13, 2008·17 cites·7 claims
- 2558US7190985B2Oximeter ambient light cancellationNELLCOR PURITAN BENNETT INC·Filed 2004·Granted Mar 13, 2007·12 cites·25 claims
- 2657US7658652B2Device and method for reducing crosstalkNELLCOR PURITAN BENNETT LLC·Filed 2009·Granted Feb 9, 2010·4 cites·14 claims
- 2757US7142142B2Multi-bit ADC with sigma-delta modulationNELICOR PURITAN BENNETT INC·Filed 2004·Granted Nov 28, 2006·19 cites·15 claims
- 2857US7120480B2LED forward voltage estimation in pulse oximeterNELLCOR PURITAN BENNETT INC·Filed 2004·Granted Oct 10, 2006·15 cites·9 claims
- 2953US8874181B2Oximeter ambient light cancellationCOVIDIEN LP·Filed 2012·Granted Oct 28, 2014·0 cites·19 claims
- 3053US7794266B2Device and method for reducing crosstalkNELLCOR PURITAN BENNETT LLC·Filed 2007·Granted Sep 14, 2010·0 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Bradford B. Chew files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →