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Birmingham, AL, United States of America

John DeCastra

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

John DeCastraMichael A Hardy (1 patent)John DeCastraJeffrey L Shannon (1 patent)John DeCastraJohn DeCastra (2 patents)Michael A HardyMichael A Hardy (11 patents)Jeffrey L ShannonJeffrey L Shannon (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. At&t Intellectual Property I, LP (2 from 16,488 patents)


2 patents:

1. 8583500 - Systems and methods for providing computing device counts

2. 7937430 - System and method for collecting and transmitting data in a computer network

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as of
12/21/2025
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