Growing community of inventors

Ipswich, United Kingdom

John Martin O'Donnell

Average Co-Inventor Count = 4.44

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 45

John Martin O'Donnell ↔ Anthony R Leaning (2 patents)John Martin O'Donnell ↔ Michael D Carr (1 patent)John Martin O'Donnell ↔ Richard J Whiting (1 patent)John Martin O'Donnell ↔ Maurice G Perini (1 patent)John Martin O'Donnell ↔ Anthony B Leaning (1 patent)John Martin O'Donnell ↔ David Dalby (1 patent)John Martin O'DonnellJohn Martin O'Donnell (2 patents)Anthony R LeaningAnthony R Leaning (6 patents)Michael D CarrMichael D Carr (6 patents)Richard J WhitingRichard J Whiting (3 patents)Maurice G PeriniMaurice G Perini (1 patent)Anthony B LeaningAnthony B Leaning (1 patent)David DalbyDavid Dalby (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. British Telecommunications Public Limited Company (2 from 1,878 patents)


2 patents:

1. 6002440 - Video coding

2. 5008748 - Signal coding

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as of
1/7/2026
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