Growing community of inventors

Dunwoody, GA, United States of America

Keith O Legg

Average Co-Inventor Count = 2.00

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 = 25

Keith O Legg ↔ Yonhua Tzeng (1 patent)Keith O LeggKeith O Legg (1 patent)Yonhua TzengYonhua Tzeng (23 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ionic Atlanta, Inc. (1 from 1 patent)


1 patent:

1. 5007373 - Spiral hollow cathode

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as of
12/11/2025
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