Inventor · disambiguated record
John C. Engdahl
Also filed as: ENGDAHL JOHN C
20 granted patents·2 pending applications·400 citations·filing 1990–2007
96Inventor score
Files withSIEMENS MEDICAL SOLUTIONS8SIEMENS CORP RES INC3SOPHA MEDICAL SYSTEMS INC3CARUBA JAMES FRANK1ENGDAHL JOHN C1
Top patents by PatentIndex Score
22 records- 0178US5753917ADual crystal scintillation cameraFiled 1995·Granted May 19, 1998·50 cites·14 claims
- 0277US5175434ACompton scatter cameraSOPHA MEDICAL SYSTEMS INC·Filed 1991·Granted Dec 29, 1992·34 cites·23 claims
- 0375US7190843B2Integrated approach to brightness and contrast normalization in appearance-based object detectionSIEMENS CORP RES INC·Filed 2002·Granted Mar 13, 2007·33 cites·15 claims
- 0475US7166846B2Multi-pinhole collimation for nuclear medical imagingSIEMENS MEDICAL SOLUTIONS·Filed 2004·Granted Jan 23, 2007·18 cites·22 claims
- 0573US6124595AGamma ray imaging detector with three dimensional event positioning and method of calculationFiled 1994·Granted Sep 26, 2000·30 cites·13 claims
- 0671US7238946B2Nuclear imaging system using scintillation bar detectors and method for event position calculation using the sameSIEMENS MEDICAL SOLUTIONS·Filed 2003·Granted Jul 3, 2007·16 cites·10 claims
- 0771US6303935B1Combination PET/SPECT nuclear imaging systemSIEMENS MEDICAL SYSTEMS INC·Filed 1999·Granted Oct 16, 2001·39 cites·16 claims
- 0870US6917826B2Automatic and quantitative assessment of image quality in SPECT myocardial perfusion imagingSIEMENS CORP RES INC·Filed 2002·Granted Jul 12, 2005·15 cites·20 claims
- 0970US6838672B2High resolution, multiple detector tomographic radionuclide imaging based upon separated radiation detection elementsSIEMENS MEDICAL SOLUTIONS·Filed 2001·Granted Jan 4, 2005·52 cites·15 claims
- 1068US7312456B2Stationary multi-pinhole cardio vascular SPECT systemSIEMENS MEDICAL SOLUTIONS·Filed 2005·Granted Dec 25, 2007·4 cites·15 claims
- 1167US6835935B2System and method for calibrating and tuning a gamma cameraSIEMENS MEDICAL SOLUTIONS·Filed 2002·Granted Dec 28, 2004·11 cites·21 claims
- 1257US6473636B1Variable-length correlation method for motion correction in SPECT myocardial perfusion imagingSIEMENS CORP RES INC·Filed 2000·Granted Oct 29, 2002·22 cites·24 claims
- 1356US6570165B1Radiation assisted electron emission deviceFiled 1999·Granted May 27, 2003·11 cites·15 claims
- 1455US8076646B2Burst-mode readout for solid state radiation detectors using partitioned pipeline architectureCARUBA JAMES FRANK·Filed 2005·Granted Dec 13, 2011·2 cites·20 claims
- 1555US6977380B2Low noise, long integration time acquisition for radiation detectorsSIEMENS MEDICAL SOLUTIONS·Filed 2002·Granted Dec 20, 2005·6 cites·19 claims
- 1655US5171998AGamma ray imaging detectorENGDAHL JOHN C·Filed 1990·Granted Dec 15, 1992·16 cites·16 claims
- 1754US7397038B2Nuclear imaging using three-dimensional gamma particle interaction detectionSIEMENS MEDICAL SOLUTIONS·Filed 2004·Granted Jul 8, 2008·5 cites·6 claims
- 1852US2008116383A1Stationary multi-pinhole cardio vascular SPECT systemJOUNG JINHUN·Filed 2007·Application pending·0 cites
- 1947US5561297AScatter correcting gamma-ray cameraSOPHA MEDICAL SYSTEMS INC·Filed 1993·Granted Oct 1, 1996·10 cites·19 claims
- 2046US6809311B2Method of gamma ray event selectionSIEMENS MEDICAL SOLUTIONS·Filed 2001·Granted Oct 26, 2004·2 cites·10 claims
- 2137US5345082AScintillation camera utilizing energy dependent linearity correctionSOPHA MEDICAL SYSTEMS INC·Filed 1993·Granted Sep 6, 1994·24 cites·6 claims
- 2236US2004159793A1Carbon-based photodiode detector for nuclear medicineFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →