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Reading, United Kingdom

Snell Limited

USPTO Granted Patents = 55

% Expired Patents = 85.5

EPO Patents = 13

Trademarks = 5

Forward Citations = 71

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21 inventors (with patents filed for the assignee):

Michael James Knee (24 out of 55 patents)

Martin Weston (15 out of 35 patents)

Jonathan Diggins (12 out of 45 patents)

4. Jeff Butters (3 out of 4 patents)

5. Keith Steward Hammond (3 out of 3 patents)

6. Maurice Snell (2 out of 3 patents)

7. David Brooks (2 out of 2 patents)

8. Daniel Colgan (1 out of 2 patents)

9. Tim Addy (1 out of 2 patents)

10. Joe Diggins (1 out of 1 patent)

11. Stephen Greenhalgh (1 out of 1 patent)

12. Sébastien Clédière (1 out of 1 patent)

13. James Pearson (1 out of 1 patent)

14. Roberta Piroddi (1 out of 1 patent)

15. Thomas Huns (1 out of 1 patent)

Core Competencies:

Video Processing

Image Analysis

Audio-Visual Signature

Stereoscopic Images

Motion Estimation

Digital Audio Processing

Adaptive Signal Processing

Image Segmentation

Pixel Dissimilarity

Framing Control

Quality Measurement

Temporal Sample Rate

55 patents: Sort by Forward Citations

1. 9877022 - Video sequence processing of pixel-to-pixel dissimilarity values (2018-01-23),

2. 9536545 - Audio visual signature, method of deriving a signature, and method of comparing audio-visual data background (2017-01-03),

3. 9536171 - Logo detection by edge matching (2017-01-03),

4. 9532053 - Method and apparatus for analysing an array of pixel-to-pixel dissimilarity values by combining outputs of partial filters in a non-linear operation (2016-12-27),

5. 9510092 - Method and apparatus for processing a switched audio signal from a crosspoint router (2016-11-29),

6. 9401010 - Enhancing perceived sharpness of images (2016-07-26),

7. 9397774 - Re-timing sampled data (2016-07-19),

8. 9344052 - Management of broadcast audio loudness (2016-05-17),

9. 9330428 - Method and apparatus for modifying a video stream to encode metadata (2016-05-03),

10. 9311714 - Image process with spatial periodicity measure (2016-04-12),

11. 9270870 - Motion estimation with variable spatial resolution (2016-02-23),

12. 9264688 - Video processing method and apparatus for use with a sequence of stereoscopic images (2016-02-16),

13. 9214052 - Analysis of stereoscopic images (2015-12-15),

14. 9131126 - Repairing scratch impairments to an image (2015-09-08),

15. 9082044 - Image process with spatial periodicity measure (2015-07-14),

Snell Limited, based in Reading, UK, specializes in advanced image processing technologies that enhance the quality and efficiency of video and audio-visual content. The company focuses on core areas such as video processing, image analysis, and digital audio processing, providing innovative solutions for motion estimation and image segmentation. With expertise in adaptive signal processing and stereoscopic images, Snell Limited serves various industries, contributing to the evolution of media and entertainment technologies.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

55 Patents

#4 in Reading

#323 in United Kingdom

#12,902 in the World

Reading, United Kingdom

Snell Limited

Forward Citations = 71

21 inventors:

Michael James Knee (24 out of 55 patents)

Martin Weston (15 out of 35 patents)

Jonathan Diggins (12 out of 45 patents)

4. Jeff Butters (3 out of 4 patents)

5. Keith Steward Hammond (3 out of 3 patents)

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