JE

John C. Engdahl

SU Siemens Medical Solutions Usa: 10 patents #136 of 1,486Top 10%
SR Siemens Corporate Research: 3 patents #64 of 277Top 25%
📍 Columbia, MD: #47 of 1,501 inventorsTop 4%
🗺 Maryland: #1,202 of 35,612 inventorsTop 4%
Overall (All Time): #225,231 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
8076646 Burst-mode readout for solid state radiation detectors using partitioned pipeline architecture James Frank Caruba 2011-12-13
7397038 Nuclear imaging using three-dimensional gamma particle interaction detection Dennis E. Persyk 2008-07-08
7312456 Stationary multi-pinhole cardio vascular SPECT system Jinhun Joung 2007-12-25
7238946 Nuclear imaging system using scintillation bar detectors and method for event position calculation using the same Jinhun Joung, Samir Chowdhury 2007-07-03
7190843 Integrated approach to brightness and contrast normalization in appearance-based object detection Guo-Qing Wei, Jianzhong Qian 2007-03-13
7166846 Multi-pinhole collimation for nuclear medical imaging Jinhun Joung, Samir Chowdhury 2007-01-23
6977380 Low noise, long integration time acquisition for radiation detectors Samir Chowdhury 2005-12-20
6917826 Automatic and quantitative assessment of image quality in SPECT myocardial perfusion imaging Guo-Qing Wei, Jianzhong Qian 2005-07-12
6838672 High resolution, multiple detector tomographic radionuclide imaging based upon separated radiation detection elements Douglas J. Wagenaar, John Thomas Pawlak 2005-01-04
6835935 System and method for calibrating and tuning a gamma camera James Frank Caruba 2004-12-28
6809311 Method of gamma ray event selection Darrell Burckhardt 2004-10-26
6570165 Radiation assisted electron emission device Douglas S. McGregor, Ronald A. Rojeski 2003-05-27
6473636 Variable-length correlation method for motion correction in SPECT myocardial perfusion imaging Guo-Qing Wei, Jianzhong Qian, Eric Q. Chen 2002-10-29
6303935 Combination PET/SPECT nuclear imaging system Angelo Rago 2001-10-16
6124595 Gamma ray imaging detector with three dimensional event positioning and method of calculation Glenn F. Knoll, William Rogers 2000-09-26
5753917 Dual crystal scintillation camera 1998-05-19
5561297 Scatter correcting gamma-ray camera 1996-10-01
5345082 Scintillation camera utilizing energy dependent linearity correction Michel Pierfitte 1994-09-06
5175434 Compton scatter camera 1992-12-29
5171998 Gamma ray imaging detector Glenn F. Knoll 1992-12-15