Growing community of inventors

Jena, Germany

Hans Joachim Freitag

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 = 2

Hans Joachim Freitag ↔ Ludwig Boege (1 patent)Hans Joachim FreitagHans Joachim Freitag (1 patent)Ludwig BoegeLudwig Boege (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dr. Johannes Heidenhain Gmbh (1 from 801 patents)


1 patent:

1. 5924214 - Length measuring apparatus for measuring the relative position of two

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as of
12/19/2025
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