Growing community of inventors

South Elgin, IL, United States of America

Keith P Johnson

Average Co-Inventor Count = 2.67

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 = 0

Keith P JohnsonDaniel E Molter (1 patent)Keith P JohnsonDuncan F Brown (1 patent)Keith P JohnsonRoberto Hurtado (1 patent)Keith P JohnsonEric M Meunier (1 patent)Keith P JohnsonKeith P Johnson (2 patents)Daniel E MolterDaniel E Molter (35 patents)Duncan F BrownDuncan F Brown (2 patents)Roberto HurtadoRoberto Hurtado (1 patent)Eric M MeunierEric M Meunier (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Jj Pinball LLC (1 from 3 patents)


2 patents:

1. 12246262 - Illuminated support rails for pinball machines

2. 9700783 - Individually trippable and resettable drop target

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as of
1/19/2026
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