Growing community of inventors

Bethesda, MD, United States of America

David G Johns

Average Co-Inventor Count = 6.75

ph-index = 2

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 = 16

David G JohnsVictor E Marquez (3 patents)David G JohnsJohn S Driscoll (3 patents)David G JohnsHiroaki Mitsuya (3 patents)David G JohnsJames A Kelley (3 patents)David G JohnsChristopher K-h Tseng (3 patents)David G JohnsJoseph J Barchi, Jr (1 patent)David G JohnsHarry Ford, Jr (1 patent)David G JohnsJoseph E Tomaszewski (1 patent)David G JohnsDavid G Johns (3 patents)Victor E MarquezVictor E Marquez (20 patents)John S DriscollJohn S Driscoll (18 patents)Hiroaki MitsuyaHiroaki Mitsuya (13 patents)James A KelleyJames A Kelley (5 patents)Christopher K-h TsengChristopher K-h Tseng (4 patents)Joseph J Barchi, JrJoseph J Barchi, Jr (4 patents)Harry Ford, JrHarry Ford, Jr (1 patent)Joseph E TomaszewskiJoseph E Tomaszewski (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The United States of America as Represented by the Department of Health (2 from 1,217 patents)

2. The Government of the United States of America, as Represented by the (1 from 28 patents)


3 patents:

1. 5565437 - 2',3'-dideoxy-2'-fluoro-purine nucleosides and methods for using same

2. 5495010 - Acid stable purine dideoxynucleosides

3. 5459256 - Lipophilic, aminohydrolase-activated prodrugs

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1/14/2026
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