Growing community of inventors

Stuttgart, Germany

Harmut Droege

Average Co-Inventor Count = 6.22

ph-index = 4

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 = 31

Harmut Droege ↔ Wolfgang Fischer (3 patents)Harmut Droege ↔ Ludwig Fischer (3 patents)Harmut Droege ↔ Dieter Sonnentag (3 patents)Harmut Droege ↔ Tayssir Scheib (3 patents)Harmut Droege ↔ Walter Hinz (2 patents)Harmut Droege ↔ Albert Schaal (1 patent)Harmut Droege ↔ Martin Witzel (1 patent)Harmut Droege ↔ Markus Weinlaender (1 patent)Harmut Droege ↔ Volker Gottschalk (1 patent)Harmut Droege ↔ Juergen Haardoerfer (1 patent)Harmut Droege ↔ D Walter Hinz (1 patent)Harmut Droege ↔ Rainer Woerz (1 patent)Harmut DroegeHarmut Droege (4 patents)Wolfgang FischerWolfgang Fischer (16 patents)Ludwig FischerLudwig Fischer (10 patents)Dieter SonnentagDieter Sonnentag (6 patents)Tayssir ScheibTayssir Scheib (4 patents)Walter HinzWalter Hinz (9 patents)Albert SchaalAlbert Schaal (4 patents)Martin WitzelMartin Witzel (4 patents)Markus WeinlaenderMarkus Weinlaender (3 patents)Volker GottschalkVolker Gottschalk (1 patent)Juergen HaardoerferJuergen Haardoerfer (1 patent)D Walter HinzD Walter Hinz (1 patent)Rainer WoerzRainer Woerz (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. International Business Machines Corporation (4 from 164,108 patents)


4 patents:

1. 6971025 - Secure personalization of chip cards

2. D393479 - Point of sale terminal

3. D381675 - Point of sale terminal

4. D372936 - Control unit with a printer

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as of
12/3/2025
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