Inventor
ENGDAHL JOHN C
US20 patents
⚠️ This page may combine multiple inventors who share the name “ENGDAHL JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS MEDICAL SOLUTIONS
8 patentsUS6838672B2Jan 4, 2005
High resolution, multiple detector tomographic radionuclide imaging based upon separated radiation detection elements
SIEMENS MEDICAL SOLUTIONS52 citations92
US7238946B2Jul 3, 2007
Nuclear imaging system using scintillation bar detectors and method for event position calculation using the same
SIEMENS MEDICAL SOLUTIONS16 citations83
US7166846B2Jan 23, 2007
Multi-pinhole collimation for nuclear medical imaging
SIEMENS MEDICAL SOLUTIONS18 citations83
US6835935B2Dec 28, 2004
System and method for calibrating and tuning a gamma camera
SIEMENS MEDICAL SOLUTIONS11 citations72
US7397038B2Jul 8, 2008
Nuclear imaging using three-dimensional gamma particle interaction detection
SIEMENS MEDICAL SOLUTIONS5 citations62
US7312456B2Dec 25, 2007
Stationary multi-pinhole cardio vascular SPECT system
SIEMENS MEDICAL SOLUTIONS4 citations62
US6977380B2Dec 20, 2005
Low noise, long integration time acquisition for radiation detectors
SIEMENS MEDICAL SOLUTIONS6 citations61
US6809311B2Oct 26, 2004
Method of gamma ray event selection
SIEMENS MEDICAL SOLUTIONS2 citations55
SIEMENS CORP RES INC
3 patentsUS7190843B2Mar 13, 2007
Integrated approach to brightness and contrast normalization in appearance-based object detection
SIEMENS CORP RES INC33 citations92
US6473636B1Oct 29, 2002
Variable-length correlation method for motion correction in SPECT myocardial perfusion imaging
SIEMENS CORP RES INC22 citations89
US6917826B2Jul 12, 2005
Automatic and quantitative assessment of image quality in SPECT myocardial perfusion imaging
SIEMENS CORP RES INC15 citations84
(unassigned)
3 patentsSOPHA MEDICAL SYSTEMS INC
3 patentsUS5175434ADec 29, 1992
Compton scatter camera
SOPHA MEDICAL SYSTEMS INC34 citations91
US5345082ASep 6, 1994
Scintillation camera utilizing energy dependent linearity correction
SOPHA MEDICAL SYSTEMS INC24 citations90
US5561297AOct 1, 1996
Scatter correcting gamma-ray camera
SOPHA MEDICAL SYSTEMS INC10 citations72