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Pittsboro, NC, United States of America

Dennis A Simpson

Average Co-Inventor Count = 3.00

ph-index = 4

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 = 104

Dennis A SimpsonRobert E Johnston (4 patents)Dennis A SimpsonNancy L Davis (4 patents)Dennis A SimpsonDennis A Simpson (4 patents)Robert E JohnstonRobert E Johnston (22 patents)Nancy L DavisNancy L Davis (14 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The University of North Carolina at Chapel Hill (4 from 1,270 patents)


4 patents:

1. 6583121 - System for the in vivo delivery and expression of heterologous genes in the bone marrow

2. 6008035 - System for the in vivo delivery and expression of heterologous genes in

3. 5811407 - System for the in vivo delivery and expression of heterologous genes in

4. 5639650 - cDNA clone for South African Arbovirus No. 86

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12/9/2025
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