Growing community of inventors

Erlangen, Germany

Ludger Freisen

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 = 0

Ludger FreisenHelmut Kess (1 patent)Ludger FreisenNorbert Krause (1 patent)Ludger FreisenRalph Meissner (1 patent)Ludger FreisenLudger Freisen (1 patent)Helmut KessHelmut Kess (14 patents)Norbert KrauseNorbert Krause (12 patents)Ralph MeissnerRalph Meissner (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Siemens Aktiengesellschaft (1 from 30,034 patents)


1 patent:

1. 4701710 - Nuclear magnetic resonance tomography apparatus

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12/14/2025
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