Growing community of inventors

Winchester, MA, United States of America

Shawn C D Johnson

Average Co-Inventor Count = 2.00

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 = 5

Shawn C D JohnsonDavid S Geller (1 patent)Shawn C D JohnsonShawn C D Johnson (1 patent)David S GellerDavid S Geller (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 833,002 patents)


1 patent:

1. 7052467 - Stethoscopic systems and methods

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1/22/2026
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