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London, United Kingdom

Robert Stevens

Average Co-Inventor Count = 3.00

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 = 21

Robert StevensOliver Hardick (4 patents)Robert StevensDaniel Gilbert Bracewell (4 patents)Robert StevensRobert Stevens (4 patents)Oliver HardickOliver Hardick (8 patents)Daniel Gilbert BracewellDaniel Gilbert Bracewell (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Puridify Ltd. (4 from 16 patents)


4 patents:

1. 11008364 - Chromatography medium

2. 10696714 - Chromatography medium

3. 10344051 - Chromatography medium

4. 9802979 - Chromatography medium

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as of
1/14/2026
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