Growing community of inventors

Cambridge, MA, United States of America

John C Charkoudian

Average Co-Inventor Count = 1.33

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 = 38

John C Charkoudian ↔ Arnold Hoffman (1 patent)John C CharkoudianJohn C Charkoudian (2 patents)Arnold HoffmanArnold Hoffman (8 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Polaroid Corporation (2 from 2,176 patents)


2 patents:

1. 4112205 - Battery electrolyte corrosion inhibitor

2. 4006036 - Method for reducing zinc oxide content of zinc particles

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1/9/2026
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