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Palo Alto, CA, United States of America

Varian Medical Systems Technologies, Inc.

Calculating rank

USPTO Granted Patents = 87

% Expired Patents = 55.2

EPO Patents = 2

Trademarks = 11

Forward Citations = 4,486

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92 inventors (with patents filed for the assignee):

Edward J Seppi (14 out of 59 patents)

Hassan Mostafavi (10 out of 58 patents)

Marcel R Marc (8 out of 21 patents)

4. Richard E Colbeth (7 out of 34 patents)

5. Larry D Partain (7 out of 35 patents)

6. Paul Bjorkholm (7 out of 15 patents)

7. Ivan Petrov Mollov (7 out of 37 patents)

8. Gregory C Andrews (5 out of 33 patents)

9. Robert M Sutherland (5 out of 10 patents)

10. John C Ford (5 out of 12 patents)

11. Gary Fredric Virshup (5 out of 45 patents)

12. George Zentai (4 out of 11 patents)

13. James Edward Clayton (4 out of 58 patents)

14. Gard Edson Meddaugh (4 out of 9 patents)

15. Majid L Riaziat (4 out of 22 patents)

Core Competencies:

Radiation Therapy

X-ray Imaging

Particle Beam

Treatment Planning

Computed Tomography

Image Acquisition

Multi-leaf Collimator

Radiation Scanning

Photosensitive Device

Neutron Emissions

Gating Systems

Imaging Apparatus

87 patents: Sort by Forward Citations

1. 8143816 - Power variator (2012-03-27),

2. 8067813 - Integrated MIS photosensitive device using continuous films (2011-11-29),

3. 7831017 - Treatment planning simulation and verification system (2010-11-09),

4. 7589326 - Systems and methods for image acquisition (2009-09-15),

5. 7526065 - Volumetric X-ray imaging system with automatic image resolution enhancement (2009-04-28),

6. 7486761 - Computed tomography facilitation method and apparatus (2009-02-03),

7. 7469035 - Method to track three-dimensional target motion with a dynamical multi-leaf collimator (2008-12-23),

8. 7436932 - X-ray radiation sources with low neutron emissions for radiation scanning (2008-10-14),

9. 7432672 - Variable radiofrequency power source for an accelerator guide (2008-10-07),

10. 7423273 - Object examination by delayed neutrons (2008-09-09),

11. 7423253 - Method and apparatus for correcting excess signals in an imaging system (2008-09-09),

12. 7412029 - Treatment planning, simulation, and verification system (2008-08-12),

13. 7403638 - Method and system for monitoring breathing activity of a subject (2008-07-22),

14. 7402824 - Particle beam nozzle (2008-07-22),

15. 7402823 - Particle beam system including exchangeable particle beam nozzle (2008-07-22),

Company Overview

Varian Medical Systems Technologies, Inc. is a leader in the field of radiation therapy, specializing in advanced medical technologies that enhance cancer treatment. The company focuses on developing innovative solutions in radiation therapy, X-ray imaging, and particle beam therapy, aiming to improve patient outcomes through precision and efficiency. Their expertise extends to treatment planning, computed tomography, and sophisticated image acquisition techniques, positioning them as a key player in the healthcare technology landscape, particularly in Palo Alto, California.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

87 Patents

#27 in Palo Alto, CA

#995 in California

#4,290 in US

#8,787 in the World

Palo Alto, CA, United States of America

Varian Medical Systems Technologies, Inc.

Forward Citations = 4,486

92 inventors:

Edward J Seppi (14 out of 59 patents)

Hassan Mostafavi (10 out of 58 patents)

Marcel R Marc (8 out of 21 patents)

4. Richard E Colbeth (7 out of 34 patents)

5. Larry D Partain (7 out of 35 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Varian Medical Systems Technologies, Inc.. Retrieved from https://idiyas.com/company/varian-medical-systems-technologies

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

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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