Growing community of inventors

Stillwater, MN, United States of America

John Stevens

Average Co-Inventor Count = 2.00

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 = 5

John StevensRoberta E Harelstad (1 patent)John StevensJohn Stevens (1 patent)Roberta E HarelstadRoberta E Harelstad (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Minnesota Mining and Manufacturing Company (1 from 7,865 patents)


1 patent:

1. 4714838 - Second harmonic generation with N,N'-substituted barbituric acids

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12/31/2025
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