Growing community of inventors

North Chelmsford, MA, United States of America

Daniel W Johnson

Average Co-Inventor Count = 3.00

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 = 54

Daniel W Johnson ↔ Jean-Claude Saghbini (1 patent)Daniel W Johnson ↔ James Barry Billington (1 patent)Daniel W JohnsonDaniel W Johnson (1 patent)Jean-Claude SaghbiniJean-Claude Saghbini (4 patents)James Barry BillingtonJames Barry Billington (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Wavemark, Inc. (1 from 20 patents)


1 patent:

1. 8174392 - RFID medical item hanging storage system

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