Growing community of inventors

Allershausen, Germany

Siegfried Hartmann

Average Co-Inventor Count = 4.00

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 = 1

Siegfried Hartmann ↔ Hilmar Lesch (1 patent)Siegfried Hartmann ↔ Horst Rombach (1 patent)Siegfried Hartmann ↔ Heinrich Schramm (1 patent)Siegfried HartmannSiegfried Hartmann (1 patent)Hilmar LeschHilmar Lesch (3 patents)Horst RombachHorst Rombach (2 patents)Heinrich SchrammHeinrich Schramm (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Siemens Aktiengesellschaft (1 from 30,040 patents)


1 patent:

1. 5936957 - ATM communication system with a modular structure

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12/17/2025
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