Growing community of inventors

Downey, CA, United States of America

Elton L Johnson

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 = 37

Elton L JohnsonDavid F James (1 patent)Elton L JohnsonElton L Johnson (1 patent)David F JamesDavid F James (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mattel, Inc. (1 from 1,703 patents)


1 patent:

1. 4306716 - Electronic game having light guide array display

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1/22/2026
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