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Poole, United Kingdom

David Hann

Average Co-Inventor Count = 4.00

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 = 1

David HannLee Michael Vine (1 patent)David HannGraham Neale (1 patent)David HannLee Graham Johnson (1 patent)David HannDavid Hann (1 patent)Lee Michael VineLee Michael Vine (16 patents)Graham NealeGraham Neale (2 patents)Lee Graham JohnsonLee Graham Johnson (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ishida Europe Limited (1 from 29 patents)


1 patent:

1. 10690564 - Container leak detection

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12/19/2025
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