Growing community of inventors

Lexington, MA, United States of America

Peter F Hays

Average Co-Inventor Count = 4.00

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 = 3

Peter F Hays ↔ Michael H Wollowitz (1 patent)Peter F Hays ↔ Ming-Kai Tse (1 patent)Peter F Hays ↔ David J Forrest (1 patent)Peter F HaysPeter F Hays (1 patent)Michael H WollowitzMichael H Wollowitz (12 patents)Ming-Kai TseMing-Kai Tse (4 patents)David J ForrestDavid J Forrest (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Quality Engineering Associates, Inc. (1 from 3 patents)


1 patent:

1. 5929640 - Automated stationary/portable test system for photoconductive drums

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as of
12/12/2025
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