Growing community of inventors

Tucson, AZ, United States of America

Norval Arthur Sinclair

Average Co-Inventor Count = 3.43

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 = 9

Norval Arthur Sinclair ↔ James E Sharp (1 patent)Norval Arthur Sinclair ↔ Robert G Arnold (1 patent)Norval Arthur Sinclair ↔ Charles Francis Russ (1 patent)Norval Arthur Sinclair ↔ Frank Andrew Roinestad (1 patent)Norval Arthur Sinclair ↔ Irving Yall (1 patent)Norval Arthur SinclairNorval Arthur Sinclair (2 patents)James E SharpJames E Sharp (6 patents)Robert G ArnoldRobert G Arnold (4 patents)Charles Francis RussCharles Francis Russ (1 patent)Frank Andrew RoinestadFrank Andrew Roinestad (1 patent)Irving YallIrving Yall (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The University of Arizona (1 from 972 patents)

2. University Patents, Inc. (1 from 224 patents)


2 patents:

1. 5055130 - Method for recovering silver from refractory manganese ores

2. 3980557 - Phosphorus removal from wastewater

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as of
12/19/2025
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