Inventor · disambiguated record
Jianzhong Qian
Also filed as: QIAN JIANZHONG
67 granted patents·12 pending applications·1,853 citations·filing 1992–2025
99Inventor score
Files withEDDA TECHNOLOGY INC33SIEMENS CORP RES INC32SIEMENS MEDICAL SYSTEMS INC6QIAN JIANZHONG4FAN LI1
Top patents by PatentIndex Score
79 records- 0196US11989833B2Method and system of model fusion for laparoscopic surgical guidanceEDDA TECHNOLOGY INC·Filed 2022·Granted May 21, 2024·4 cites·18 claims
- 0296US5699799AAutomatic determination of the curved axis of a 3-D tube-shaped object in image volumeSIEMENS CORP RES INC·Filed 1996·Granted Dec 23, 1997·272 cites·30 claims
- 0394US10679417B2Method and system for surgical planning in a mixed reality environmentEDDA TECHNOLOGY INC·Filed 2018·Granted Jun 9, 2020·23 cites·17 claims
- 0492US11292132B2Robot path planning method with static and dynamic collision avoidance in an uncertain environmentEDDA TECHNOLOGY INC·Filed 2020·Granted Apr 5, 2022·3 cites·20 claims
- 0590US12325136B2Deterministic robot path planning method for obstacle avoidanceEDDA TECHNOLOGY INC·Filed 2022·Granted Jun 10, 2025·1 cites·20 claims
- 0690US6609021B1Pulmonary nodule detection using cartwheel projection analysisSIEMENS CORP RES INC·Filed 2002·Granted Aug 19, 2003·55 cites·19 claims
- 0790US5771318AAdaptive edge-preserving smoothing filterSIEMENS CORP RES INC·Filed 1996·Granted Jun 23, 1998·124 cites·20 claims
- 0889US6608916B1Automatic detection of spine axis and spine boundary in digital radiographySIEMENS CORP RES INC·Filed 2000·Granted Aug 19, 2003·50 cites·22 claims
- 0989US5381791AAutomatic indentification of anatomical features of interest from data acquired in nuclear medicine studies and automatic positioning of scintillation cameras to carry out such studies at optimal positionsSIEMENS MEDICAL SYSTEMS INC·Filed 1992·Granted Jan 17, 1995·99 cites·19 claims
- 1088US11900541B2Method and system of depth determination with closed form solution in model fusion for laparoscopic surgical guidanceEDDA TECHNOLOGY INC·Filed 2022·Granted Feb 13, 2024·1 cites·20 claims
- 1188US6697506B1Mark-free computer-assisted diagnosis method and system for assisting diagnosis of abnormalities in digital medical images using diagnosis based image enhancementSIEMENS CORP RES INC·Filed 1999·Granted Feb 24, 2004·110 cites·32 claims
- 1288US6101238ASystem for generating a compound x-ray image for diagnosisSIEMENS CORP RES INC·Filed 1998·Granted Aug 8, 2000·85 cites·20 claims
- 1386US6608917B1Detection of vertebra endplates in digital radiographySIEMENS CORP RES INC·Filed 2000·Granted Aug 19, 2003·40 cites·23 claims
- 1484US10499992B2Method and system for estimating a deflated lung shape for video assisted thoracic surgery in augmented and mixed realityEDDA TECHNOLOGY INC·Filed 2018·Granted Dec 10, 2019·4 cites·14 claims
- 1582US6738063B2Object-correspondence identification without full volume registrationSIEMENS CORP RES INC·Filed 2002·Granted May 18, 2004·32 cites·16 claims
- 1682US5835618AUniform and non-uniform dynamic range remapping for optimum image displaySIEMENS CORP RES INC·Filed 1996·Granted Nov 10, 1998·83 cites·33 claims
- 1781US6052476AMethod and apparatus for controlling x-ray angiographic image acquistionSIEMENS CORP RES INC·Filed 1999·Granted Apr 18, 2000·61 cites·14 claims
- 1880US6944330B2Interactive computer-aided diagnosis method and system for assisting diagnosis of lung nodules in digital volumetric medical imagesSIEMENS CORP RES INC·Filed 2001·Granted Sep 13, 2005·46 cites·29 claims
- 1979US6993174B2Real time interactive segmentation of pulmonary nodules with control parametersSIEMENS CORP RES INC·Filed 2001·Granted Jan 31, 2006·25 cites·10 claims
- 2077US6567765B1Evaluation system and method for fingerprint verificationSIEMENS CORP RES INC·Filed 2000·Granted May 20, 2003·40 cites·19 claims
- 2176US6320976B1Computer-assisted diagnosis method and system for automatically determining diagnostic saliency of digital imagesSIEMENS CORP RES INC·Filed 1999·Granted Nov 20, 2001·108 cites·37 claims
- 2275US9984456B2Method and system for labeling hepatic vascular structure in interactive liver disease diagnosisWEI GUO QING·Filed 2006·Granted May 29, 2018·4 cites·14 claims
- 2375US8412541B2Method and system for intelligent qualitative and quantitative analysis for medical diagnosisQIAN JIANZHONG·Filed 2004·Granted Apr 2, 2013·18 cites·61 claims
- 2475US7840044B2Method and system for liver lobe segmentation and pre-operative surgical planningEDDA TECHNOLOGY INC·Filed 2006·Granted Nov 23, 2010·7 cites·25 claims
- 2575US7190843B2Integrated approach to brightness and contrast normalization in appearance-based object detectionSIEMENS CORP RES INC·Filed 2002·Granted Mar 13, 2007·33 cites·15 claims
- 2674US9972081B2Method and system for estimating a deflated lung shape for video assisted thoracic surgeryEDDA TECHNOLOGY INC·Filed 2015·Granted May 15, 2018·2 cites·21 claims
- 2772US7020316B2Vessel-feeding pulmonary nodule detection by volume projection analysisSIEMENS CORP RES INC·Filed 2001·Granted Mar 28, 2006·17 cites·23 claims
- 2871US7296239B2System GUI for identification and synchronized display of object-correspondence in CT volume image setsSIEMENS CORP RES INC·Filed 2002·Granted Nov 13, 2007·16 cites·27 claims
- 2971US6674883B1System and method for the detection of anatomic landmarks for total hip replacementSIEMENS CORP RES INC·Filed 2000·Granted Jan 6, 2004·56 cites·7 claims
- 3071US6195450B1Methods and apparatus for controlling X-ray angiographic image acquisitionSIEMENS CORP RES INC·Filed 1997·Granted Feb 27, 2001·33 cites·20 claims
- 3170US6917826B2Automatic and quantitative assessment of image quality in SPECT myocardial perfusion imagingSIEMENS CORP RES INC·Filed 2002·Granted Jul 12, 2005·15 cites·20 claims
- 3268US10201389B2Method and system for interactive grid placement and measurements for lesion removalEDDA TECHNOLOGY INC·Filed 2017·Granted Feb 12, 2019·1 cites·28 claims
- 3368US5421331AAutomatic identification of the long axis of the left ventricle from nuclear medicine spect data for use in myocardial perufsion studiesSIEMENS MEDICAL SYSTEMS INC·Filed 1993·Granted Jun 6, 1995·37 cites·2 claims
- 3468US2022181035A1Method and system for adjusting interactive 3d treatment zone for percutaneous treatmentEDDA TECHNOLOGY INC·Filed 2022·Application pending·0 cites
- 3567US11264139B2Method and system for adjusting interactive 3D treatment zone for percutaneous treatmentEDDA TECHNOLOGY INC·Filed 2015·Granted Mar 1, 2022·1 cites·18 claims
- 3667US8311299B2Method and system for intelligent qualitative and quantitative analysis of digital radiography softcopy readingQIAN JIANZHONG·Filed 2009·Granted Nov 13, 2012·0 cites·28 claims
- 3766US7203349B2Bronchial wall thickening recognition for reduced false-positives in pulmonary nodule detectionSIEMENS CORP RES INC·Filed 2002·Granted Apr 10, 2007·12 cites·22 claims
- 3866US6983063B1Computer-aided diagnosis method for aiding diagnosis of three dimensional digital image dataSIEMENS CORP RES INC·Filed 2000·Granted Jan 3, 2006·37 cites·24 claims
- 3965US9785486B2Methods for enabling an application within another independent system/application in medical imagingQIAN JIANZHONG·Filed 2007·Granted Oct 10, 2017·3 cites·25 claims
- 4065US5833607AAutomatic full-leg mosaic and display for peripheral angiographySIEMENS CORP RES INC·Filed 1996·Granted Nov 10, 1998·44 cites·17 claims
- 4165US2025204992A1Method and system for 3d surface model fitting via robot arm controlled laser grid and cameraEDDA TECHNOLOGY INC·Filed 2024·Application pending·0 cites
- 4263US8270688B2Method for intelligent qualitative and quantitative analysis assisting digital or digitized radiography softcopy readingFAN LI·Filed 2005·Granted Sep 18, 2012·2 cites·18 claims
- 4362US12496142B2System and method for automated surgical position marking in robot-assisted surgeryEDDA TECHNOLOGY INC·Filed 2023·Granted Dec 16, 2025·0 cites·27 claims
- 4461US12354275B2System and method for region boundary guidance overlay for organEDDA TECHNOLOGY INC·Filed 2023·Granted Jul 8, 2025·0 cites·15 claims
- 4561US2025160788A1Method and system for 3d registering of ultrasound probe in laparoscopic ultrasound procedures and applications thereofEDDA TECHNOLOGY INC·Filed 2023·Application pending·0 cites
- 4660US2025082420A1Method and system for robot guided needle placementEDDA TECHNOLOGY INC·Filed 2023·Application pending·0 cites
- 4759US12496149B2System and method for automated simultaneous trocar and robot base location determinationEDDA TECHNOLOGY INC·Filed 2023·Granted Dec 16, 2025·0 cites·24 claims
- 4859US12245823B2System and method for automated trocar and robot base location determinationEDDA TECHNOLOGY INC·Filed 2023·Granted Mar 11, 2025·0 cites·21 claims
- 4959US11504849B2Deterministic robot path planning method for obstacle avoidanceEDDA TECHNOLOGY INC·Filed 2019·Granted Nov 22, 2022·0 cites·16 claims
- 5059US2025046010A1Method and system for estimating 3d camera pose based on 2d image features and application thereofEDDA TECHNOLOGY INC·Filed 2024·Application pending·0 cites
Showing the top 50 of 79 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →