Growing community of inventors

Cambridge, United Kingdom

John D Galpin

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 25

John D GalpinValerie J Galpin (2 patents)John D GalpinJohn D Galpin (2 patents)Valerie J GalpinValerie J Galpin (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Melles Griot Limited (2 from 19 patents)


2 patents:

1. 5626157 - Optical table

2. 5402734 - Optical table having debris retention structures

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as of
1/20/2026
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