Growing community of inventors

Walnut Creek, CA, United States of America

John D Summers

Average Co-Inventor Count = 2.18

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 = 37

John D SummersThomas O Jeanes (2 patents)John D SummersEdgar S Sanders, Jr (2 patents)John D SummersRitchie A Wessling (1 patent)John D SummersJohn D Summers (4 patents)Thomas O JeanesThomas O Jeanes (20 patents)Edgar S Sanders, JrEdgar S Sanders, Jr (13 patents)Ritchie A WesslingRitchie A Wessling (69 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

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


4 patents:

1. 5178649 - Poly(arylene ether ketimine) gas separation membranes

2. 5034026 - Polybenzazole polymers containing indan moieties

3. 5026823 - Novel alicyclic polyimides and a process for making the same

4. 4988371 - Novel alicyclic polyimide gas separation membranes

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