Growing community of inventors

North Boarhunt, United Kingdom

John Stuart Parker

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 = 22

John Stuart Parker ↔ Stephen William Roberts (1 patent)John Stuart ParkerJohn Stuart Parker (1 patent)Stephen William RobertsStephen William Roberts (33 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Perpetuum Ltd (1 from 21 patents)


1 patent:

1. 8680694 - Vibration energy harvester for converting mechanical vibrational energy into electrical energy

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as of
12/18/2025
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