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Runcorn, United Kingdom

David Simpson

Average Co-Inventor Count = 1.00

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 = 12

David SimpsonDavid Simpson (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Willett International Limited (1 from 19 patents)


1 patent:

1. 5972085 - Printed article and method

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12/16/2025
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