Growing community of inventors

Enfield, United Kingdom

Roger Penn

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 = 19

Roger Penn ↔ Richard Turnnidge (1 patent)Roger PennRoger Penn (1 patent)Richard TurnnidgeRichard Turnnidge (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Microgen Energy Limited (1 from 15 patents)


1 patent:

1. D522018 - Icon for a portion of a display panel

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as of
12/12/2025
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