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Bolton, United Kingdom

John P Hardwick

Average Co-Inventor Count = 3.00

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 = 2

John P Hardwick ↔ Jack Dinsdale (1 patent)John P Hardwick ↔ David W Parkins (1 patent)John P HardwickJohn P Hardwick (1 patent)Jack DinsdaleJack Dinsdale (4 patents)David W ParkinsDavid W Parkins (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Cranfield Institute of Technology (1 from 5 patents)


1 patent:

1. 4277070 - Phonograph

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as of
12/19/2025
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