Growing community of inventors

Braunfels, Germany

Michael Hartmann

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

Michael Hartmann ↔ Sigrun Kammans (1 patent)Michael Hartmann ↔ Alexander Martin (1 patent)Michael Hartmann ↔ Romy Köhler-Schmitt (0 patent)Michael HartmannMichael Hartmann (1 patent)Sigrun KammansSigrun Kammans (10 patents)Alexander MartinAlexander Martin (2 patents)Romy Köhler-SchmittRomy Köhler-Schmitt (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Leica Camera Ag (1 from 82 patents)


1 patent:

1. 11635598 - Telephoto lens

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12/20/2025
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