Growing community of inventors

Katy, TX, United States of America

Catherine Semien

Average Co-Inventor Count = 7.00

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 = 5

Catherine Semien ↔ Hendrik Dirkzwager (1 patent)Catherine Semien ↔ Julian Richard Barnes (1 patent)Catherine Semien ↔ James Laurel Buechele (1 patent)Catherine Semien ↔ Carmen Geraldine Reznik (1 patent)Catherine Semien ↔ Jeremiah Michael Purcell (1 patent)Catherine Semien ↔ Willem Johan Louis Genuit (1 patent)Catherine SemienCatherine Semien (1 patent)Hendrik DirkzwagerHendrik Dirkzwager (17 patents)Julian Richard BarnesJulian Richard Barnes (15 patents)James Laurel BuecheleJames Laurel Buechele (10 patents)Carmen Geraldine ReznikCarmen Geraldine Reznik (2 patents)Jeremiah Michael PurcellJeremiah Michael Purcell (1 patent)Willem Johan Louis GenuitWillem Johan Louis Genuit (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shell Oil Comapny (1 from 7,646 patents)


1 patent:

1. 10184076 - Internal olefin sulfonate composition

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as of
12/30/2025
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