Growing community of inventors

Gaufelden, Germany

Norbert Koller

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 = 13

Norbert Koller ↔ Stephan Feger (2 patents)Norbert Koller ↔ Manfred Krautwald (2 patents)Norbert Koller ↔ Wolfgang Fischer (1 patent)Norbert Koller ↔ Walter Fischer (1 patent)Norbert KollerNorbert Koller (2 patents)Stephan FegerStephan Feger (6 patents)Manfred KrautwaldManfred Krautwald (2 patents)Wolfgang FischerWolfgang Fischer (16 patents)Walter FischerWalter Fischer (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. International Business Machines Corporation (2 from 164,275 patents)


2 patents:

1. D310097 - Printer

2. D305909 - Operator's console

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1/18/2026
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