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For the Inventor, By the Inventor

San Jose, CA, United States of America

James Edward Clayton

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This inventor holds 58 USPTO granted patents and 4 published patent applications and 6 EPO patents, primarily in Radiation Therapy (CPC class A61N). Top assignees: Varian Medical Systems, Inc., Varex Imaging Corporation, Varian Medical Systems Technologies, Inc.. Active years: 2005-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James Edward Clayton. Retrieved from https://idiyas.com/inventor/james-edward-clayton

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

USPTO Granted Patents = 58 

% Patents Active = 84.5

 

Average Co-Inventor Count = 2.1

ph-index = 13

Forward Citations = 730(Granted Patents)

Forward Citations (Not Self Cited) = 682(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Sarotoga, CA (US) (2010)
  • Henderson, NV (US) (2005 - 2012)
  • Saratoga, CA (US) (2009 - 2024)
  • San Jose, CA (US) (2011 - 2024)
  • Palo Alto, CA (US) (2021 - 2024)

Company Filing History:

goldMedal49 out of 739 
 
Varian Medical Systems, Inc.
 patents
silverMedal4 out of 121 
 
Varex Imaging Corporation
 patents
bronzeMedal4 out of 87 
 
Varian Medical Systems Technologies, Inc.
 patents
4. 2 out of 16,008 
 
University of California
 patents
5. 1 out of 1 
 
Vanan Medical Systems, Inc.
 patent
where one patent can have more than one assignee

Years Active: 2005-2025

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Areas of Expertise:
Radiation Therapy
Particle Beam Control
Real-Time Target Validation
Energy Modulation
Radiation Scanning
Charged Particle Accelerators
Medical Imaging
High-Dose Rate
Radiation Anode Targets
Isotope Generation
Tumor Detection
Beam Position Monitors
58 patents (USPTO):Explore Patents
1. 12317406 - Accelerator and particle beam transport systems and methods (2025-05-27),
2. 12220203 - Systems and methods for real-time target validation for image-guided radiation therapy (2025-02-11),
3. 12145006 - Particle beam gun control systems and methods (2024-11-19),
4. 12005274 - High dose rate radiotherapy, system and method (2024-06-11),
5. 11894161 - Systems and methods for energy modulated radiation therapy (2024-02-06),
6. 11857805 - Increased beam output and dynamic field shaping for radiotherapy system (2024-01-02),
7. 11854761 - Radiation anode target systems and methods (2023-12-26),
8. 11819308 - Systems and methods for real-time target validation for image-guided radiation therapy (2023-11-21),
9. 11712585 - Systems, methods, and devices for high-energy irradiation (2023-08-01),
10. 11607130 - Systems and methods for real-time target validation for image-guided radiation therapy (2023-03-21),
11. 11547873 - Systems, methods, and devices for high-energy irradiation (2023-01-10),
12. 11478664 - Particle beam gun control systems and methods (2022-10-25),
13. 11348755 - Radiation anode target systems and methods (2022-05-31),
14. 11330982 - Systems and methods for real-time target validation for image-guided radiation therapy (2022-05-17),
15. 11007381 - Increased beam output and dynamic field shaping for radiotherapy system (2021-05-18),

Title: **James Edward Clayton: Innovator in Particle Beam Technologies**

Introduction

James Edward Clayton, based in San Jose, CA, is a prolific inventor with an impressive portfolio of 54 patents. His innovative contributions primarily lie in the field of particle beam technologies, particularly related to medical applications such as radiation therapy.

Latest Patents

Among his notable recent inventions are patents related to particle beam gun control systems and methods. These systems facilitate efficient monitoring of particle beams, providing capabilities that enhance radiation gun systems. One such invention details a particle beam gun that generates a particle beam and a gun control component that regulates the characteristics of particle beam generation. This includes elements critical for FLASH radiation therapy, allowing for targeted dose delivery at both intra-pulse and micro-bunch levels.

Another significant patent focuses on increasing the output and dynamic field shaping of radiotherapy systems. This invention utilizes an electron beam to produce a high-yield x-ray output by focusing it on an x-ray target, such as a tungsten plate. The innovative approach of employing a 2D periodic beam path helps maintain the temperature of the x-ray target and enhances the efficiency of dose delivery in a shorter period compared to traditional methods.

Career Highlights

James has made remarkable strides in his career, particularly during his time at Varian Medical Systems, Inc. and Varian Medical Systems Technologies, Inc. His work has significantly impacted the development of advanced medical technologies aimed at improving patient outcomes through enhanced radiotherapy techniques.

Collaborations

Throughout his career, James has collaborated with several esteemed colleagues, including David H Whittum and Josh Star-Lack. These collaborations have fostered innovative solutions and contributed to the advancement of technology in the medical field.

Conclusion

James Edward Clayton stands out as a leading inventor in the realm of particle beam technologies, particularly for medical applications. His extensive patent portfolio and collaborative efforts reflect a dedication to innovation that continues to drive advancements in radiation therapy and improve efficacy in treatment methodologies.

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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