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For the Inventor, By the Inventor

Hayes, United Kingdom

Emi, LLC

USPTO Granted Patents = 268



Trademarks = 5

Forward Citations = 3,300

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175 inventors (with patents filed for the assignee):

goldMedal Godfrey N Hounsfield (54 out of 58 patents)

silverMedal Christopher Archibald LeMay (31 out of 31 patents)

bronzeMedal Anthony M Williams (9 out of 10 patents)

4.  Colin C Oliver (8 out of 9 patents)

5.  Robert J Froggatt (8 out of 8 patents)

6.  Roger Voles (7 out of 15 patents)

7.  Cyril Arthur Lee (5 out of 5 patents)

8.  John Fitzallen Moore (4 out of 19 patents)

9.  David John Gibbons (4 out of 5 patents)

10.  Robin Geoffrey Marsh (4 out of 4 patents)

11.  Richard G Gillard (4 out of 4 patents)

12.  David E Birt (4 out of 4 patents)

13.  Ian A Fairbairn (4 out of 4 patents)

14.  Ralph R Pearce (4 out of 4 patents)

15.  Peter E Walters (4 out of 6 patents)


Core Competencies:
Radiography
Signal Processing
Imaging Systems
X-ray Calibration
Gas Sensors
Optical Systems
Magnetic Recording
Data Communication
Robotic Control
Sensor Arrays
Doppler Imaging
Electroluminescent Displays

268 patents:

1. 6846407 - Method and apparatus for recovery of waste water (2005-01-25),
2. 5225217 - Shut-off nozzle for injection molding machine (1993-07-06),
3. 5218624 - Radiography (1993-06-08),
4. 5004700 - Humidity sensor (1991-04-02),
5. 5003191 - Emission of pulsed energy (1991-03-26),
6. 4961203 - Signal generator (1990-10-02),
7. 4952905 - Data communication system (1990-08-28),
8. 4937569 - Data communication system (1990-06-26),
9. 4914674 - Signal generator (1990-04-03),
10. 4908628 - Radar apparatus (1990-03-13),
11. 4868917 - Radar arrangements (1989-09-19),
12. 4862176 - Identification of friend or foe (IFF) systems (1989-08-29),
13. 4843618 - Radiography (1989-06-27),
14. 4825766 - Fuzing arrangements (1989-05-02),
15. 4816919 - Automatic focussing system for an optical system (1989-03-28),
Company Overview
Emi, LLC is a technology company based in Hayes, GB, specializing in advanced radiography technologies. The organization focuses on the development and manufacturing of innovative imaging systems, signal processing solutions, and X-ray calibration techniques. Emi, LLC also explores applications in gas sensors, optical systems, and magnetic recording, contributing to enhanced data communication capabilities. Through its expertise, the company aims to advance the field of radiography and improve imaging accuracy across various industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Emi, LLC USPTO Patent Assignee Logo
268 Patents

#1 in Hayes

#58 in United Kingdom

#3,281 in the World

Hayes, GB
Hayes, United Kingdom

Emi, LLC

Forward Citations = 3,300

175 inventors:

goldMedal Godfrey N Hounsfield (54 out of 58 patents)

silverMedal Christopher Archibald LeMay (31 out of 31 patents)

bronzeMedal Anthony M Williams (9 out of 10 patents)

4.  Colin C Oliver (8 out of 9 patents)

5.  Robert J Froggatt (8 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Emi, LLC. Retrieved from https://idiyas.com/company/emi

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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