Growing community of inventors

Del Mar, CA, United States of America

Roger S Johnson

Average Co-Inventor Count = 6.46

ph-index = 2

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 = 26

Roger S JohnsonWilliam M Barton, Jr (2 patents)Roger S JohnsonJeffrey S McGee (2 patents)Roger S JohnsonJohn F Murphy (2 patents)Roger S JohnsonLynn C Jacobs (2 patents)Roger S JohnsonWilliam F Netzeband (2 patents)Roger S JohnsonThomas J Dinas (1 patent)Roger S JohnsonRoger S Johnson (2 patents)William M Barton, JrWilliam M Barton, Jr (21 patents)Jeffrey S McGeeJeffrey S McGee (7 patents)John F MurphyJohn F Murphy (5 patents)Lynn C JacobsLynn C Jacobs (4 patents)William F NetzebandWilliam F Netzeband (2 patents)Thomas J DinasThomas J Dinas (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cipher Data Products, Inc. (2 from 19 patents)


2 patents:

1. 4809099 - Transport for tape cartridge with leader block

2. 4704645 - Transport for tape cartridge with leader block

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idiyas.com
as of
12/12/2025
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