Growing community of inventors

Essex, United Kingdom

Ed Kragh

Average Co-Inventor Count = 5.00

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 = 20

Ed KraghArthur H Hartog (2 patents)Ed KraghEverhard Johan Muyzert (2 patents)Ed KraghDouglas E Miller (2 patents)Ed KraghJohan Robertsson (2 patents)Ed KraghEd Kragh (2 patents)Arthur H HartogArthur H Hartog (64 patents)Everhard Johan MuyzertEverhard Johan Muyzert (25 patents)Douglas E MillerDouglas E Miller (24 patents)Johan RobertssonJohan Robertsson (14 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Schlumberger Technology Corporation (2 from 10,180 patents)


2 patents:

1. 9316754 - Seismic acquisition system including a distributed sensor having an optical fiber

2. 8924158 - Seismic acquisition system including a distributed sensor having an optical fiber

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12/25/2025
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