Growing community of inventors

Philadelphia, PA, United States of America

Robert C Chang

Average Co-Inventor Count = 7.47

ph-index = 2

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 = 78

Robert C ChangWei Sun (2 patents)Robert C ChangSteve R Gonda (2 patents)Robert C ChangChristopher Culbertson (2 patents)Robert C ChangHeidi L Holtorf (2 patents)Robert C ChangJulia Leslie (2 patents)Robert C ChangBinil Starly (2 patents)Robert C ChangIris Von Gustedt-Gonda, Legal Representative (1 patent)Robert C ChangRobert C Chang (2 patents)Wei SunWei Sun (10 patents)Steve R GondaSteve R Gonda (6 patents)Christopher CulbertsonChristopher Culbertson (2 patents)Heidi L HoltorfHeidi L Holtorf (2 patents)Julia LeslieJulia Leslie (2 patents)Binil StarlyBinil Starly (2 patents)Iris Von Gustedt-Gonda, Legal RepresentativeIris Von Gustedt-Gonda, Legal Representative (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. United States of America As Represented by the Administrator of Nasa (2 from 2,449 patents)


2 patents:

1. 8580546 - Micro-organ device

2. 8343740 - Micro-organ device

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as of
12/13/2025
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