Growing community of inventors

Sioux Falls, SD, United States of America

Matthew Christopher Zerfas

Average Co-Inventor Count = 5.00

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

Matthew Christopher ZerfasJoel Walter Zdepski (2 patents)Matthew Christopher ZerfasDerin Michael Zerr (2 patents)Matthew Christopher ZerfasShaun Eugene Marko (2 patents)Matthew Christopher ZerfasChristopher Paul Wollmann (2 patents)Matthew Christopher ZerfasMatthew Christopher Zerfas (2 patents)Joel Walter ZdepskiJoel Walter Zdepski (56 patents)Derin Michael ZerrDerin Michael Zerr (19 patents)Shaun Eugene MarkoShaun Eugene Marko (13 patents)Christopher Paul WollmannChristopher Paul Wollmann (9 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sonifi Solutions, Inc. (2 from 22 patents)


2 patents:

1. 11039220 - Methods and systems for remotely monitoring connectivity and network performance in hospitality environments

2. 10708668 - Methods and systems for remotely monitoring connectivity and network performance in hospitality environments

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as of
12/5/2025
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