Growing community of inventors

Pasadena, CA, United States of America

Janet E Freeman

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 = 112

Janet E Freeman ↔ Alois Wittmann (1 patent)Janet E Freeman ↔ Robert E Ritter (1 patent)Janet E Freeman ↔ Preston S Du Pont (1 patent)Janet E FreemanJanet E Freeman (1 patent)Alois WittmannAlois Wittmann (15 patents)Robert E RitterRobert E Ritter (5 patents)Preston S Du PontPreston S Du Pont (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hughes Aircraft Company (1 from 4,197 patents)


1 patent:

1. 4595623 - Fiber-reinforced syntactic foam composites and method of forming same

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12/27/2025
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