For the Inventor, By the Inventor

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Hertfordshire, United Kingdom

Videologic Limited

USPTO Granted Patents = 12

Trademarks = 2

Forward Citations = 748

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14 inventors (with patents filed for the assignee):

Martin Ashton (3 out of 8 patents)

Trevor R Stockill (3 out of 3 patents)

Dennis A Fielder (3 out of 5 patents)

4. Hossein Yassaie (2 out of 5 patents)

5. Anthony P Marlton (2 out of 2 patents)

6. James Robert Whittaker (2 out of 2 patents)

7. Graham Deacon (1 out of 2 patents)

8. John Anthony Metcalfe (1 out of 4 patents)

9. Victor G Halsted (1 out of 1 patent)

10. Michael D Bishop (1 out of 1 patent)

11. Victor G Halstead, Deceased (1 out of 1 patent)

12. Nicholas Heinrich Jurascheck (1 out of 1 patent)

13. Raymond Malcolm Livesley (1 out of 1 patent)

14. Paul Rowland (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 5977995 - Computer system for displaying video and graphical data (1999-11-02),

2. 5968167 - Multi-threaded data processing management system (1999-10-19),

3. 5943065 - Video/graphics memory system (1999-08-24),

4. 5910795 - Digital image signal processing (1999-06-08),

5. 5801686 - Computer display systems (1998-09-01),

6. 5729672 - Ray tracing method and apparatus for projecting rays through an object (1998-03-17),

7. 5596685 - Ray tracing method and apparatus for projecting rays through an object (1997-01-21),

8. 5594467 - Computer based display system allowing mixing and windowing of graphics (1997-01-14),

9. 5455628 - Converter to convert a computer graphics signal to an interlaced video (1995-10-03),

10. 5359367 - Personal computer with broadcast receiver on expansion board controlled (1994-10-25),

11. 5201038 - Address bus for stackable computer board connectors (1993-04-06),

12. 5027212 - Computer based video/graphics display system (1991-06-25),

Videologic Limited is a leading provider of innovative video solutions for businesses. With a wide range of products including video conferencing, digital signage, and interactive displays, Videologic helps organizations enhance their communication and collaboration capabilities. Their cutting-edge technology and user-friendly interfaces make them a trusted partner for companies looking to modernize their workspaces.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

12 Patents

#14 in Hertfordshire

#1,454 in United Kingdom

#48,090 in the World

Hertfordshire, United Kingdom

Videologic Limited

Forward Citations = 748

14 inventors:

Martin Ashton (3 out of 8 patents)

Trevor R Stockill (3 out of 3 patents)

Dennis A Fielder (3 out of 5 patents)

4. Hossein Yassaie (2 out of 5 patents)

5. Anthony P Marlton (2 out of 2 patents)

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