Growing community of inventors

Jena, Germany

Frank Luemkemann

Average Co-Inventor Count = 2.40

ph-index = 2

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 = 10

Frank LuemkemannHeino Weigand (2 patents)Frank LuemkemannSteffen Dubnack (1 patent)Frank LuemkemannEberhard Hofmann (1 patent)Frank LuemkemannStefan Ernsperger (1 patent)Frank LuemkemannFrank Luemkemann (3 patents)Heino WeigandHeino Weigand (4 patents)Steffen DubnackSteffen Dubnack (8 patents)Eberhard HofmannEberhard Hofmann (6 patents)Stefan ErnspergerStefan Ernsperger (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Carl Zeiss Jena Gmbh (2 from 282 patents)

2. Carl Zeiss Meditec Ag (1 from 763 patents)


3 patents:

1. 8325037 - Energy saving medical device

2. 6514240 - Adapter for ophthalmologic equipment

3. 6177988 - Arrangement for the measurement of optical radiation of radiation sources

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as of
12/8/2025
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