Growing community of inventors

Paris, France

Mark Opperman

Average Co-Inventor Count = 3.00

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

Mark OppermanEric Schnegelberger (1 patent)Mark OppermanRyan Montgomery (1 patent)Mark OppermanMark Opperman (1 patent)Eric SchnegelbergerEric Schnegelberger (10 patents)Ryan MontgomeryRyan Montgomery (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Emc IP Holding Company LLC (1 from 7,353 patents)


1 patent:

1. 10679295 - Method to determine support costs associated with specific defects

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12/6/2025
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