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Staffordshire, United Kingdom

David John Simpson

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 = 0

David John Simpson ↔ Steven Geraint Williams (1 patent)David John Simpson ↔ Alistair Simpson Irvine (1 patent)David John SimpsonDavid John Simpson (1 patent)Steven Geraint WilliamsSteven Geraint Williams (7 patents)Alistair Simpson IrvineAlistair Simpson Irvine (6 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Millipore Corporation (1 from 468 patents)


1 patent:

1. 7632661 - Expression elements

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as of
12/19/2025
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