Growing community of inventors

Thousand Oaks, CA, United States of America

Robert Jeffery Johnson

Average Co-Inventor Count = 5.00

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 = 20

Robert Jeffery Johnson ↔ Edward V LaBudde (1 patent)Robert Jeffery Johnson ↔ Der-Chang Hsieh (1 patent)Robert Jeffery Johnson ↔ Jeffrey E Niven (1 patent)Robert Jeffery Johnson ↔ Roger C Parker (1 patent)Robert Jeffery JohnsonRobert Jeffery Johnson (1 patent)Edward V LaBuddeEdward V LaBudde (25 patents)Der-Chang HsiehDer-Chang Hsieh (6 patents)Jeffrey E NivenJeffrey E Niven (3 patents)Roger C ParkerRoger C Parker (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Burroughs, Inc. (1 from 1,222 patents)


1 patent:

1. 4564757 - Mirror position sensor for improved track selection in optical data disk

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as of
12/30/2025
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