Inventor
QIANG YI
US34 patents
⚠️ This page may combine multiple inventors who share the name “QIANG YI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON MEDICAL SYSTEMS CORP
29 patentsUS11096633B1Aug 24, 2021
Positron emission tomography scanner with axially-adjustable detector module rings
CANON MEDICAL SYSTEMS CORP9 citations85
US10310098B1Jun 4, 2019
Determine position of scattered events in pixelated gamma detector using inverse energy weighting
CANON MEDICAL SYSTEMS CORP12 citations84
US10451748B1Oct 22, 2019
Readout circuit for a silicon photomultiplier (SiPM) array using charge sharing and anger logic
CANON MEDICAL SYSTEMS CORP12 citations83
US12399286B2Aug 26, 2025
Time-walk correction using multiple energy measurements
CANON MEDICAL SYSTEMS CORP2 citations74
US12318232B2Jun 3, 2025
Pet reconstruction for adjustable pet system
CANON MEDICAL SYSTEMS CORP2 citations74
US12042326B2Jul 23, 2024
Identifying arrangement errors of detector elements within a gamma-ray detector system
CANON MEDICAL SYSTEMS CORP2 citations72
US11276209B2Mar 15, 2022
Method and apparatus for scatter estimation in positron emission tomography
CANON MEDICAL SYSTEMS CORP2 citations72
US11241211B2Feb 8, 2022
Method and apparatus for singles spectrum estimation and for dead-time correction in positron emission tomography (PET)
CANON MEDICAL SYSTEMS CORP2 citations71
US11229413B1Jan 25, 2022
X-ray CT apparatus with adaptive photon counting detectors
CANON MEDICAL SYSTEMS CORP4 citations71
US10768318B2Sep 8, 2020
Method and apparatus to determine energy correction arising from multi-channel detection in a gamma detector exhibiting non-linear energy measurement and/or cross-talk among channels
CANON MEDICAL SYSTEMS CORP3 citations71
US11782176B2Oct 10, 2023
Bad detector calibration methods and workflow for a small pixelated photon counting CT system
CANON MEDICAL SYSTEMS CORP2 citations70
US12121388B2Oct 22, 2024
Energy-based scatter fraction estimation and scatter correction
CANON MEDICAL SYSTEMS CORP0 citations62
US12007513B2Jun 11, 2024
Method and apparatus for improved photosensor light collection in a radiation detector
CANON MEDICAL SYSTEMS CORP0 citations62
US11982779B2May 14, 2024
Method and apparatus for guided pairing of multi-coincidences for time of flight positron emission tomography
CANON MEDICAL SYSTEMS CORP0 citations62
US11835669B2Dec 5, 2023
Method and system for PET detector efficiency normalization
CANON MEDICAL SYSTEMS CORP0 citations62
US11573339B2Feb 7, 2023
Timing calibration using internal radiation and external radiation source in time of flight positron emission tomography
CANON MEDICAL SYSTEMS CORP0 citations62
US11249206B2Feb 15, 2022
Method and system for PET detector efficiency normalization
CANON MEDICAL SYSTEMS CORP0 citations62
US12306362B2May 20, 2025
PCCT energy calibration from X-ray tube spectra using a neural network
CANON MEDICAL SYSTEMS CORP0 citations60
US11875432B2Jan 16, 2024
Method and apparatus for using a parameterized cell based circular sorting algorithm
CANON MEDICAL SYSTEMS CORP0 citations53
US11069097B1Jul 20, 2021
Method and apparatus for using a parameterized cell based circular sorting algorithm
CANON MEDICAL SYSTEMS CORP1 citations53
US12299780B2May 13, 2025
Methods and systems for reconstructing a positron emission tomography image
CANON MEDICAL SYSTEMS CORP0 citations52
US11835668B2Dec 5, 2023
Summing circuit for positron emission tomography diagnostic apparatus
CANON MEDICAL SYSTEMS CORP0 citations52
US12320933B2Jun 3, 2025
Method for correction of correlated count losses
CANON MEDICAL SYSTEMS CORP0 citations51
US12193858B2Jan 14, 2025
Method to detect energy-dependent count loss
CANON MEDICAL SYSTEMS CORP0 citations51
US12073538B2Aug 27, 2024
Neural network for improved performance of medical imaging systems
CANON MEDICAL SYSTEMS CORP0 citations51
US11543545B2Jan 3, 2023
Method and apparatus to use a broad-spectrum energy source to correct a nonlinear energy response of a gamma-ray detector
CANON MEDICAL SYSTEMS CORP0 citations51
US10962662B2Mar 30, 2021
Method and apparatus to calibrate timing of a detector using multi-channel events
CANON MEDICAL SYSTEMS CORP0 citations51
US12502156B2Dec 23, 2025
Method for detecting and handling detector pixels with intermittent behavior for a small pixelated photon counting computed tomography (CT) system
CANON MEDICAL SYSTEMS CORP0 citations46
US10782429B2Sep 22, 2020
Method and apparatus to use a single energy source to determine energy correction for a gamma detector
CANON MEDICAL SYSTEMS CORP0 citations41