Growing community of inventors

Allershausen, Germany

Siegfried Hetz

Average Co-Inventor Count = 5.00

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 = 3

Siegfried Hetz ↔ Jakob Bleicher (1 patent)Siegfried Hetz ↔ Ulrich Matern (1 patent)Siegfried Hetz ↔ Engelbert Hofbauer (1 patent)Siegfried Hetz ↔ Ingrid Schehrer (1 patent)Siegfried HetzSiegfried Hetz (1 patent)Jakob BleicherJakob Bleicher (4 patents)Ulrich MaternUlrich Matern (1 patent)Engelbert HofbauerEngelbert Hofbauer (1 patent)Ingrid SchehrerIngrid Schehrer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Optische Werke G. Rodenstock (1 from 80 patents)


1 patent:

1. 5307208 - Optical system for imaging the light from light sources

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12/20/2025
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