Growing community of inventors

Orono, ME, United States of America

Donna Johnson

Average Co-Inventor Count = 5.00

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 = 2

Donna Johnson ↔ Mark T Wajer (1 patent)Donna Johnson ↔ Aileen Gibson (1 patent)Donna Johnson ↔ Joseph Genco (1 patent)Donna Johnson ↔ Burton Branch (1 patent)Donna JohnsonDonna Johnson (1 patent)Mark T WajerMark T Wajer (9 patents)Aileen GibsonAileen Gibson (2 patents)Joseph GencoJoseph Genco (1 patent)Burton BranchBurton Branch (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Martin Marietta Magnesia Specialties, Inc. (1 from 20 patents)


1 patent:

1. 7052578 - Process employing magnesium hydroxide in peroxide bleaching of mechanical pulp

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as of
12/15/2025
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