Growing community of inventors

Chesterbrook, PA, United States of America

John Harper

Average Co-Inventor Count = 3.00

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 = 0

John Harper ↔ Yevgeniy Vinshtok (1 patent)John Harper ↔ Justin Leedy (1 patent)John HarperJohn Harper (1 patent)Yevgeniy VinshtokYevgeniy Vinshtok (8 patents)Justin LeedyJustin Leedy (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ifm Electronic Gmbh (1 from 140 patents)


1 patent:

1. 8969786 - Optical proximity switch

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12/21/2025
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