Growing community of inventors

Sioux Falls, SD, United States of America

Joseph Keppen

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 = 0

Joseph KeppenGrigoriy Sereda (1 patent)Joseph KeppenJoseph Keppen (1 patent)Grigoriy SeredaGrigoriy Sereda (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. South Dakota Board of Regents (1 from 84 patents)


1 patent:

1. 10316010 - Versatile non-destructive surface modification of carbonaceous materials and process for grafting into polymer matrices

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12/15/2025
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