Growing community of inventors

Hertfordshire, United Kingdom

Charles Roberts Sims

Average Co-Inventor Count = 4.00

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 = 22

Charles Roberts Sims ↔ Mathew Richard Palmer (1 patent)Charles Roberts Sims ↔ Robert Charles Lewis Day (1 patent)Charles Roberts Sims ↔ Andrew Richard Buchanan Halket (1 patent)Charles Roberts SimsCharles Roberts Sims (1 patent)Mathew Richard PalmerMathew Richard Palmer (11 patents)Robert Charles Lewis DayRobert Charles Lewis Day (10 patents)Andrew Richard Buchanan HalketAndrew Richard Buchanan Halket (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Esselte N.v. (1 from 60 patents)


1 patent:

1. 6380965 - Tape printing apparatus

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1/8/2026
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