Growing community of inventors

Brighouse, United Kingdom

John David Child

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 5

John David Child ↔ John Norris Mitchell (1 patent)John David Child ↔ Nigel Charles Smith (1 patent)John David ChildJohn David Child (1 patent)John Norris MitchellJohn Norris Mitchell (2 patents)Nigel Charles SmithNigel Charles Smith (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Keymed (Medical & Industrial Equipment) Limited (1 from 71 patents)


1 patent:

1. D383210 - Endoscopy workstation

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1/14/2026
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