Growing community of inventors

Itzehoe, Germany

Armin Drefs

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 = 5

Armin Drefs ↔ Wolfgang Rzadki (1 patent)Armin Drefs ↔ Karl-Otto Sadler (1 patent)Armin Drefs ↔ Rainer Hartig (1 patent)Armin Drefs ↔ Stefan Richter (1 patent)Armin DrefsArmin Drefs (1 patent)Wolfgang RzadkiWolfgang Rzadki (18 patents)Karl-Otto SadlerKarl-Otto Sadler (13 patents)Rainer HartigRainer Hartig (11 patents)Stefan RichterStefan Richter (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Siemens Aktiengesellschaft (1 from 30,045 patents)


1 patent:

1. 6837758 - Fast military surface craft

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12/26/2025
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