Growing community of inventors

Hockessin, DE, United States of America

Thomas A Simpson

Average Co-Inventor Count = 6.00

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 = 2

Thomas A Simpson ↔ Mark A Hackler (1 patent)Thomas A Simpson ↔ Carmo Joseph Pereira (1 patent)Thomas A Simpson ↔ Bernard F Hoff (1 patent)Thomas A Simpson ↔ Wilford Shamlin (1 patent)Thomas A Simpson ↔ James J Grant, Iii (1 patent)Thomas A SimpsonThomas A Simpson (1 patent)Mark A HacklerMark A Hackler (16 patents)Carmo Joseph PereiraCarmo Joseph Pereira (16 patents)Bernard F HoffBernard F Hoff (1 patent)Wilford ShamlinWilford Shamlin (1 patent)James J Grant, IiiJames J Grant, Iii (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. E.i. Dupont De Nemours and Company (1 from 16,338 patents)


1 patent:

1. 7491003 - Method and apparatus for thermal development with vapor treatment

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12/28/2025
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