Growing community of inventors

Berlin, Germany

Karl H Tietgen

Average Co-Inventor Count = 3.00

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 = 12

Karl H TietgenRalf T Kersten (1 patent)Karl H TietgenHelmut F Schlaak (1 patent)Karl H TietgenKarl H Tietgen (1 patent)Ralf T KerstenRalf T Kersten (13 patents)Helmut F SchlaakHelmut F Schlaak (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 4492425 - Device for deflecting light through 180 degrees

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as of
12/10/2025
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