Growing community of inventors

Austin, TX, United States of America

Douglas W Johnson

Average Co-Inventor Count = 4.00

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 = 4

Douglas W Johnson ↔ Alvin Stanley Cullick (1 patent)Douglas W Johnson ↔ Gustavo Carvajal (1 patent)Douglas W Johnson ↔ Hatem N Nasr (1 patent)Douglas W Johnson ↔ Gustavo A Carvajal (0 patent)Douglas W Johnson ↔ Gustavo A Carvajal (0 patent)Douglas W Johnson ↔ Paul L Collette Iii (0 patent)Douglas W JohnsonDouglas W Johnson (1 patent)Alvin Stanley CullickAlvin Stanley Cullick (21 patents)Gustavo CarvajalGustavo Carvajal (18 patents)Hatem N NasrHatem N Nasr (10 patents)Gustavo A CarvajalGustavo A Carvajal (0 patent)Gustavo A CarvajalGustavo A Carvajal (0 patent)Paul L Collette IiiPaul L Collette Iii (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Landmark Graphics Corporation (1 from 607 patents)

2. Rockwell Automation, Inc. (60 patents)


1 patent:

1. 10133831 - Method and system of predicting future hydrocarbon production

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as of
12/6/2025
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