Growing community of inventors

LaPorte, TX, United States of America

David J Freas

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 = 1

David J Freas ↔ Edward John Blok (1 patent)David J Freas ↔ Anthony Jay Dias (1 patent)David J Freas ↔ Yuan-Ju Chen (1 patent)David J Freas ↔ Paul Tu Quang Nguyen (1 patent)David J Freas ↔ Tu N Pham (1 patent)David J Freas ↔ Paul T Qu Nguyen (0 patent)David J FreasDavid J Freas (1 patent)Edward John BlokEdward John Blok (87 patents)Anthony Jay DiasAnthony Jay Dias (61 patents)Yuan-Ju ChenYuan-Ju Chen (11 patents)Paul Tu Quang NguyenPaul Tu Quang Nguyen (3 patents)Tu N PhamTu N Pham (1 patent)Paul T Qu NguyenPaul T Qu Nguyen (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Exxonmobil Chemical Patents Inc. (1 from 3,271 patents)


1 patent:

1. 11649303 - Solvent-free process for functionalizing isobutylene-based polymers

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as of
12/25/2025
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