Growing community of inventors

Rochdale, United Kingdom

David M Tomkinson

Average Co-Inventor Count = 2.00

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 M Tomkinson ↔ Michael S Howarth (1 patent)David M TomkinsonDavid M Tomkinson (1 patent)Michael S HowarthMichael S Howarth (7 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Imperial Chemical Industries Limited (1 from 3,840 patents)


1 patent:

1. 4812572 - Process for preparation of fluoroaromatic or fluoroheterocyclic compounds

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12/17/2025
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