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For the Inventor, By the Inventor

Harpenden, United Kingdom

Ray Charles Marshall

This inventor holds 23 USPTO granted patents and 3 published patent applications and 3 EPO patents, primarily in Power Management Systems. Top assignees: Freescale Semiconductor,inc., Nxp USA, Inc., Visteon Global Technolgoies, Inc.. Active years: 2001-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ray Charles Marshall. Retrieved from https://idiyas.com/inventor/ray-charles-marshall

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

Calculating rank
USPTO Granted Patents = 23 

% Patents Active = 65.2

 

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 44(Granted Patents)


Location History:

  • Herts, GB (2001)
  • Hertfordshire, GB (2005)
  • Abbots Langley, GB (2008 - 2014)
  • Harpenden, GB (2013 - 2019)

Company Filing History:

goldMedal12 out of 5,491 
 
Freescale Semiconductor,inc.
 patents
silverMedal10 out of 2,860 
 
Nxp USA, Inc.
 patents
bronzeMedal1 out of 1,723 
 
Visteon Global Technolgoies, Inc.
 patents

Years Active: 2001-2026

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Areas of Expertise:
Power Management
Error Detection
Memory Controller
Cache Invalidation
System On Chip
Electronic Device Security
Microcontroller Debugging
Data Bus Interface
Clock Update Procedure
Capacitive Sensor Diagnostics
Address Mapping
Internal Combustion Engine
23 patents (USPTO):Explore Patents
1. 12730491 - Transitions between low power modes in a processing system (2026-09-08),
2. 12461554 - System including a secure application configured to perform a clock update procedure (2025-11-04),
3. 12332724 - Processing wakeup requests in a processing system having power management circuitry and a processing circuitry (2025-06-17),
4. 10210088 - Computing system with a cache invalidation unit, a cache invalidation unit and a method of operating a cache invalidation unit in a computing system (2019-02-19),
5. 10049052 - Device having a cache memory (2018-08-14),
6. 9958928 - Method and apparatus for controlling an operating mode of a processing module (2018-05-01),
7. 9940186 - Memory controller and method of operating a memory controller (2018-04-10),
8. 9665423 - End-to-end error detection and correction (2017-05-30),
9. 9594623 - System on chip and method of updating program code on a system on chip (2017-03-14),
10. 9552279 - Data bus network interface module and method therefor (2017-01-24),
11. 9436546 - Apparatus for error detection in memory devices (2016-09-06),
12. 9436543 - Electronic device and method for protecting an electronic device against unauthorized use (2016-09-06),
13. 9292372 - Error pad for safety device (2016-03-22),
14. 8954773 - Electronic device and method for controlling current of a processor load by slewing clock frequency (2015-02-10),
15. 8629682 - Relating to diagnostics of a capacitive sensor (2014-01-14),

Title: Ray Charles Marshall - The Innovative Mind from Harpenden

Introduction: Ray Charles Marshall is a distinguished inventor hailing from Harpenden, Great Britain, known for his groundbreaking contributions to various fields.

Latest Patents: Ray Charles Marshall holds several patents in the areas of renewable energy technologies, medical devices, and sustainable agriculture practices.

Career Highlights: With a career spanning over two decades, Marshall has worked with leading research institutions and universities to develop cutting-edge solutions for complex challenges. His innovative spirit has led to the successful commercialization of several inventions.

Collaborations: Throughout his career, Ray Charles Marshall has collaborated with top companies, patent attorneys, and fellow inventors to bring his ideas to life. His ability to work in multidisciplinary teams has resulted in the creation of impactful technologies.

Conclusion: Ray Charles Marshall's passion for innovation and his dedication to creating a positive impact on society through his inventions make him a true pioneer in the field of technology.

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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