Evanston, IL, United States of America

Alexander Hans Vija

This inventor holds 78 USPTO granted patents and 20 published patent applications and 10 EPO patents, primarily in Medical Imaging (CPC class G06T). Top assignees: Siemens Medical Solutions USA, Inc., Northwestern University, Siemens Aktiengesellschaft. Active years: 2008-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Alexander Hans Vija. Retrieved from https://idiyas.com/inventor/alexander-hans-vija

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 78 

% Patents Active = 97.4

 

Average Co-Inventor Count = 2.0

ph-index = 6

Forward Citations = 180(Granted Patents)

Forward Citations (Not Self Cited) = 100(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:


Years Active: 2008-2026

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Areas of Expertise:
Medical Imaging
Tomography
Neural Networks
Solid-State Detectors
Multi-Modal Reconstruction
Emission Tomography
Dose Assessment
Image Processing
Calibration
Data Driven Reconstruction
Radiation Dose
Collimator Characterization
78 patents (USPTO):Explore Patents

Title: Innovations by Alexander Hans Vija in Medical Imaging

Introduction

Alexander Hans Vija, located in Evanston, IL, is a prolific inventor with an impressive portfolio of 70 patents. His contributions predominantly lie in the field of medical imaging, where his innovative technologies are shaping the future of diagnostics and treatment.

Latest Patents

Vija's latest patents showcase groundbreaking advancements in imaging systems. One of his notable inventions is the "Multi-modal Compton and single photon emission computed tomography medical imaging system." This multi-modality imaging system allows for selectable detection methods, including the photoelectric effect and Compton effect. The system's design integrates a catcher detector with the potential addition of both scatter detectors and coded apertures, enabling versatility in detecting emission energies. This modular approach allows for the configuration of multiple modules to form larger cameras or to enhance existing imaging systems, such as CT or MR.

Another significant patent focuses on the "Individual channel characterization of collimator," which outlines a framework for characterizing collimators through optical characterization mapping. This innovation enhances quality assessment and image reconstruction based on detailed image data collected from the collimator’s first and second sides.

Career Highlights

Throughout his career, Alexander Hans Vija has contributed to reputable organizations such as Siemens Medical Solutions USA, Inc. and Siemens Aktiengesellschaft. His expertise in the development of advanced imaging technologies has been pivotal in enhancing medical diagnostics.

Collaborations

Vija’s work has often involved collaborations with esteemed colleagues like Amos Yahil and Michal Cachovan. Together, they have worked on complex projects that have pushed the boundaries of current medical imaging techniques.

Conclusion

Alexander Hans Vija's continuous innovations have made a significant impact on the field of medical imaging. His latest patents demonstrate a commitment to advancing technology that improves diagnostic capabilities, ultimately benefiting healthcare providers and patients alike.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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