Growing community of inventors

Murphy, TX, United States of America

Darrell Lee Johnson

Average Co-Inventor Count = 6.00

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

Darrell Lee Johnson ↔ Russell Melvin Rosenquist (1 patent)Darrell Lee Johnson ↔ Russell Lynn Stilley (1 patent)Darrell Lee Johnson ↔ Thomas Brian Olson (1 patent)Darrell Lee Johnson ↔ Veronica B Howard (1 patent)Darrell Lee Johnson ↔ Jose Antonio Fernandez (1 patent)Darrell Lee JohnsonDarrell Lee Johnson (1 patent)Russell Melvin RosenquistRussell Melvin Rosenquist (11 patents)Russell Lynn StilleyRussell Lynn Stilley (8 patents)Thomas Brian OlsonThomas Brian Olson (6 patents)Veronica B HowardVeronica B Howard (4 patents)Jose Antonio FernandezJose Antonio Fernandez (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Texas Instruments Corporation (1 from 29,256 patents)


1 patent:

1. 7820924 - Multi-direction switch for a cursor device

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12/20/2025
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