Growing community of inventors

Iowa City, IA, United States of America

John Callaghan

Average Co-Inventor Count = 8.00

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 = 23

John Callaghan ↔ Thomas S Camino (1 patent)John Callaghan ↔ Thomas S Thornhill (1 patent)John Callaghan ↔ Marc Weissman (1 patent)John Callaghan ↔ Thomas P Schmalzried (1 patent)John Callaghan ↔ J Brock VanMeter, Jr (1 patent)John Callaghan ↔ Daniel J Berry (1 patent)John Callaghan ↔ David Fisher (1 patent)John CallaghanJohn Callaghan (1 patent)Thomas S CaminoThomas S Camino (23 patents)Thomas S ThornhillThomas S Thornhill (8 patents)Marc WeissmanMarc Weissman (7 patents)Thomas P SchmalzriedThomas P Schmalzried (6 patents)J Brock VanMeter, JrJ Brock VanMeter, Jr (5 patents)Daniel J BerryDaniel J Berry (4 patents)David FisherDavid Fisher (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Depuy Products, Inc. (1 from 377 patents)


1 patent:

1. 7261741 - Prosthesis with resorbable collar

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as of
1/2/2026
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