Growing community of inventors

Bristol, United Kingdom

Simon Johnson

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 = 5

Simon JohnsonBrian P Jarvis (1 patent)Simon JohnsonSimon Johnson (1 patent)Brian P JarvisBrian P Jarvis (11 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Reedhycalog UK Limited (1 from 10 patents)


1 patent:

1. 7457734 - Representation of whirl in fixed cutter drill bits

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as of
1/3/2026
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