Growing community of inventors

Phoenix, AZ, United States of America

Ryan J Perkofski

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 = 48

Ryan J PerkofskiAnthony D Janke (1 patent)Ryan J PerkofskiRyan J Perkofski (1 patent)Anthony D JankeAnthony D Janke (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Rockford Corporation (1 from 32 patents)


1 patent:

1. 7778718 - Frequency normalization of audio signals

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12/19/2025
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