Growing community of inventors

Keltern, Germany

Stefan Koehler

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 = 12

Stefan Koehler ↔ Hermann Link (1 patent)Stefan Koehler ↔ Erich A Geiger (1 patent)Stefan Koehler ↔ Michael Zahm (1 patent)Stefan KoehlerStefan Koehler (1 patent)Hermann LinkHermann Link (16 patents)Erich A GeigerErich A Geiger (10 patents)Michael ZahmMichael Zahm (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Harman Becker Automotive Systems Gmbh (1 from 614 patents)


1 patent:

1. 7034898 - Mobile television receiver

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1/9/2026
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