Growing community of inventors

Midland, MI, United States of America

Tracy E Chapman

Average Co-Inventor Count = 2.40

ph-index = 3

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 = 42

Tracy E ChapmanHoward W Clark (4 patents)Tracy E ChapmanRonald L Yates (2 patents)Tracy E ChapmanTracy E Chapman (4 patents)Howard W ClarkHoward W Clark (24 patents)Ronald L YatesRonald L Yates (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Dow Chemical Company (4 from 7,680 patents)


4 patents:

1. 4840676 - Insoluble pigments and preparation thereof

2. 4773936 - Insoluble pigments and preparation thereof

3. 4769079 - Insoluble pigments and preparation thereof

4. 4769080 - Insoluble pigments and preparation thereof

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/6/2025
Loading…