Growing community of inventors

Coeur D'Alene, ID, United States of America

Daren Upchurch

Average Co-Inventor Count = 4.29

ph-index = 3

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 = 169

Daren UpchurchWilliam F Erler (3 patents)Daren UpchurchDavid Severt (3 patents)Daren UpchurchGeorge Siegner (3 patents)Daren UpchurchJames Anselmo (1 patent)Daren UpchurchDaren Upchurch (3 patents)William F ErlerWilliam F Erler (7 patents)David SevertDavid Severt (3 patents)George SiegnerGeorge Siegner (3 patents)James AnselmoJames Anselmo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Itronix Corporation (3 from 13 patents)


3 patents:

1. 5602750 - Administrative computer and testing apparatus

2. 5511108 - Apparatus and method for performing and controlling testing of

3. 5432705 - Administrative computer and testing apparatus

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as of
12/16/2025
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