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Cambridge, MA, United States of America

John R Pappenheimer

Average Co-Inventor Count = 3.71

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 = 5

John R Pappenheimer ↔ James M Krueger (3 patents)John R Pappenheimer ↔ Manfred L Karnovsky (2 patents)John R Pappenheimer ↔ Jean Choay (1 patent)John R Pappenheimer ↔ Louis A Chedid (1 patent)John R Pappenheimer ↔ Pierre Lefrancier (1 patent)John R Pappenheimer ↔ Edgar Lederer (1 patent)John R Pappenheimer ↔ Manfred J Karnovsky (1 patent)John R PappenheimerJohn R Pappenheimer (3 patents)James M KruegerJames M Krueger (3 patents)Manfred L KarnovskyManfred L Karnovsky (2 patents)Jean ChoayJean Choay (49 patents)Louis A ChedidLouis A Chedid (30 patents)Pierre LefrancierPierre Lefrancier (27 patents)Edgar LedererEdgar Lederer (23 patents)Manfred J KarnovskyManfred J Karnovsky (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Harvard College (3 from 2,962 patents)


3 patents:

1. 4698330 - Somnogenic compositions and method of use

2. 4668661 - Sleep inducing agents

3. 4342748 - Sleep-promoting factor

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as of
12/17/2025
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