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For the Inventor, By the Inventor

Haywards Heath, United Kingdom

Christopher Brian Marshall

This inventor holds 29 USPTO granted patents and 1 published patent application and 10 EPO patents, primarily in Wireless Positioning. Top assignees: U-Blox Ag, Koninklijke Philips Corporation N.v., Nxp B.v.. Active years: 2003-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Christopher Brian Marshall. Retrieved from https://idiyas.com/inventor/christopher-brian-marshall

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

USPTO Granted Patents = 29 

% Patents Active = 79.3

 

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 188(Granted Patents)


Location History:

  • West Susssex, GB (2012)
  • Surrey, GB (2015)
  • Haywards Heath, GB (2003 - 2023)
  • Reigate, GB (2014 - 2024)

Company Filing History:

goldMedal16 out of 158 
 
U-Blox Ag
 patents
silverMedal7 out of 21,894 
 
Koninklijke Philips Corporation N.v.
 patents
bronzeMedal3 out of 5,325 
 
Nxp B.v.
 patents
4. 2 out of 4 
 
Geotate B.v.
 patents
5. 1 out of 60 
 
Koninklijke Phillips Electronics N.v.
 patents

Years Active: 2003-2024

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Areas of Expertise:
Wireless Signals
GPS Technology
Signal Processing
Channel Estimation
Positioning Systems
Timing Calculations
Antenna Diversity
Location Estimation
Ranging Measurement
Clock Drift
Half Duplex Transceiver
Beacon Arrangement
29 patents (USPTO):Explore Patents
1. 12015452 - Estimating and using characteristic differences between wireless signals (2024-06-18),
2. 11601307 - Estimating one or more characteristics of a communications channel (2023-03-07),
3. 11567164 - Intercepting an uplink signal to assist in timing or positioning calculations (2023-01-31),
4. 11269046 - Phase-comparison of multi-frequency transmissions for assisting the determination of position or time (2022-03-08),
5. 11175413 - Phase-comparison for assisting the determination of position or time (2021-11-16),
6. 11061104 - Method and apparatus for positioning with wireless signals (2021-07-13),
7. 11009580 - Intercepting an uplink signal to assist in timing or positioning calculations (2021-05-18),
8. 10187815 - Calculating a ranging measurement in a cellular communications network (2019-01-22),
9. 9929854 - Duplexing apparatus, wireless devices and related methods (2018-03-27),
10. 9681408 - Determining clock-drift using signals of opportunity (2017-06-13),
11. 9035827 - Positioning using a local wave-propagation model (2015-05-19),
12. 8804551 - Location estimation by observing wireless signals (2014-08-12),
13. 8779980 - Position validation (2014-07-15),
14. 8253822 - Method of position stamping a photo or video clip taken with a digital camera (2012-08-28),
15. 8248487 - Method of creating an image file with combined image data and raw GPS data and a digital camera for the same (2012-08-21),

Title: Christopher Brian Marshall - Innovative Inventor from Haywards Heath

Introduction: Christopher Brian Marshall is a renowned inventor hailing from Haywards Heath, United Kingdom. With a passion for creating groundbreaking solutions, he has made significant contributions to the field of innovation.

Latest Patents: Christopher Brian Marshall holds several patents in various industries, showcasing his diverse range of expertise and creativity in inventing new technologies.

Career Highlights: Throughout his career, Christopher Brian Marshall has demonstrated a keen ability to identify gaps in the market and develop unique inventions to address them. His innovative spirit has led to the successful commercialization of several products.

Collaborations: Christopher Brian Marshall has collaborated with leading companies and research institutions to bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of many projects.

Conclusion: Christopher Brian Marshall's dedication to innovation and his impressive track record of patents highlight his status as a pioneering inventor in the field. His contributions continue to inspire future generations of inventors worldwide.

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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