Growing community of inventors

Edmond, OK, United States of America

Darrell R Johnson

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 = 4

Darrell R JohnsonDennis Quinto Cruz (1 patent)Darrell R JohnsonJason P Delaney (1 patent)Darrell R JohnsonMark L Simpson (1 patent)Darrell R JohnsonDarrell R Johnson (1 patent)Dennis Quinto CruzDennis Quinto Cruz (7 patents)Jason P DelaneyJason P Delaney (3 patents)Mark L SimpsonMark L Simpson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seagate Technology Incorporated (1 from 8,683 patents)


1 patent:

1. 6862802 - Spacer key used for installation of a head gimbal assembly (HGA)

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1/3/2026
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