Growing community of inventors

Teltow, Germany

Steffen Porthun

Average Co-Inventor Count = 1.50

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 = 3

Steffen PorthunJohn E Keem (1 patent)Steffen PorthunAdam J Kollin (1 patent)Steffen PorthunSteffen Porthun (2 patents)John E KeemJohn E Keem (27 patents)Adam J KollinAdam J Kollin (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rhk Technology, Inc. (2 from 6 patents)


2 patents:

1. 8914909 - Frequency measuring and control apparatus with integrated parallel synchronized oscillators

2. 8812976 - Programmable equipment configuration method and apparatus

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as of
1/6/2026
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