Growing community of inventors

Kingsport, TN, United States of America

John David Hewa

Average Co-Inventor Count = 3.43

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 = 59

John David HewaSteven Lee Stafford (2 patents)John David HewaGary Wayne Connell (1 patent)John David HewaSam Richard Turner (1 patent)John David HewaJames Samuel Dalton (1 patent)John David HewaJohn David Hewa (2 patents)Steven Lee StaffordSteven Lee Stafford (28 patents)Gary Wayne ConnellGary Wayne Connell (68 patents)Sam Richard TurnerSam Richard Turner (28 patents)James Samuel DaltonJames Samuel Dalton (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Eastman Chemical Company (2 from 2,001 patents)


2 patents:

1. 6444283 - Polyester-polyamide blends with reduced gas permeability and low haze

2. 5985389 - Polyester and optical brightener blend having improved properties

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as of
12/8/2025
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