Growing community of inventors

Plymouth, MN, United States of America

Douglas Earl Hahn

Average Co-Inventor Count = 1.20

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 = 59

Douglas Earl HahnRobert G Rani (1 patent)Douglas Earl HahnDouglas Earl Hahn (3 patents)Robert G RaniRobert G Rani (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Novartis Nutrition Ag (2 from 32 patents)

2. Sandoz Gmbh (1 from 1,603 patents)


3 patents:

1. 6471981 - Liquid soy nutritional products

2. 6241996 - Liquid soy nutritional products

3. 5188628 - Closure device for enteral fluid containers

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as of
1/9/2026
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