Growing community of inventors

Glen Ellen, IL, United States of America

Matthew Stephen

Average Co-Inventor Count = 4.00

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 = 6

Matthew Stephen ↔ James Joseph Fitzgibbon (1 patent)Matthew Stephen ↔ Robert Keller (1 patent)Matthew Stephen ↔ Steven Carl Crusius (1 patent)Matthew StephenMatthew Stephen (1 patent)James Joseph FitzgibbonJames Joseph Fitzgibbon (202 patents)Robert KellerRobert Keller (5 patents)Steven Carl CrusiusSteven Carl Crusius (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Chamberlain Group, Inc. (1 from 513 patents)


1 patent:

1. 7786619 - DC power backup

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12/10/2025
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