Growing community of inventors

Histon, United Kingdom

John Olof Robertson

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 = 64

John Olof RobertsonChristopher H Chapman (1 patent)John Olof RobertsonJohn Olof Robertson (1 patent)Christopher H ChapmanChristopher H Chapman (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

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


1 patent:

1. 6125330 - Method of determining the response caused by model alterations in

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