Growing community of inventors

Ontario, NY, United States of America

Howard J Helenbrook

Average Co-Inventor Count = 3.00

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 = 23

Howard J Helenbrook ↔ John M Spence (1 patent)Howard J Helenbrook ↔ Michelle S Kwarta (1 patent)Howard J HelenbrookHoward J Helenbrook (1 patent)John M SpenceJohn M Spence (3 patents)Michelle S KwartaMichelle S Kwarta (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Eastman-kodak Company (1 from 21,594 patents)


1 patent:

1. 4814250 - Electrophotographic toner and developer compositions containing

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