Growing community of inventors

Round Rock, TX, United States of America

Donn R Friedman

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 = 0

Donn R Friedman ↔ Hsu-Hui Hsing (1 patent)Donn R Friedman ↔ Ooriapadical C Abraham (1 patent)Donn R Friedman ↔ Richard G Nelson (1 patent)Donn R FriedmanDonn R Friedman (1 patent)Hsu-Hui HsingHsu-Hui Hsing (5 patents)Ooriapadical C AbrahamOoriapadical C Abraham (4 patents)Richard G NelsonRichard G Nelson (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Texaco Inc. (1 from 3,161 patents)


1 patent:

1. 5624548 - Heavy naphtha hydroconversion process

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as of
12/18/2025
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