Growing community of inventors

Rochester, MN, United States of America

Daniel C Johnson

Average Co-Inventor Count = 2.40

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 = 31

Daniel C JohnsonCarl J Schoberg (2 patents)Daniel C JohnsonMarcus S Lehman (1 patent)Daniel C JohnsonDaniel C Johnson (2 patents)Carl J SchobergCarl J Schoberg (5 patents)Marcus S LehmanMarcus S Lehman (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Liberty Diversified Industries, Inc. (2 from 56 patents)


2 patents:

1. 4790434 - Data cartridge storage and handling system

2. 4756429 - Carousel data holder

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idiyas.com
as of
12/28/2025
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