Growing community of inventors

Olds, IA, United States of America

Todd Jeffrey Johnson

Average Co-Inventor Count = 4.44

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 = 1

Todd Jeffrey Johnson ↔ Matthew Wendell Schiesher (2 patents)Todd Jeffrey Johnson ↔ Paul Alan Jass (1 patent)Todd Jeffrey Johnson ↔ Jason Scott Douglas (1 patent)Todd Jeffrey Johnson ↔ Gary Richard Callen (1 patent)Todd Jeffrey Johnson ↔ Michael J Bauer (1 patent)Todd Jeffrey Johnson ↔ Judi Christine Humphrey (1 patent)Todd Jeffrey JohnsonTodd Jeffrey Johnson (2 patents)Matthew Wendell SchiesherMatthew Wendell Schiesher (3 patents)Paul Alan JassPaul Alan Jass (13 patents)Jason Scott DouglasJason Scott Douglas (4 patents)Gary Richard CallenGary Richard Callen (1 patent)Michael J BauerMichael J Bauer (1 patent)Judi Christine HumphreyJudi Christine Humphrey (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cambrex Charles City, Inc. (2 from 14 patents)


2 patents:

1. 8779191 - Methods and compositions for preparing lisdexamfetamine and salts thereof

2. 8614346 - Methods and compositions for preparation of amphetamine conjugates and salts thereof

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as of
1/19/2026
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