Growing community of inventors

Stadtroda, Germany

Ralph Krippendorf

Average Co-Inventor Count = 2.00

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 = 43

Ralph KrippendorfAkira Terao (1 patent)Ralph KrippendorfRalph Krippendorf (1 patent)Akira TeraoAkira Terao (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sunpower Corporation (1 from 854 patents)


1 patent:

1. 7297865 - Compact micro-concentrator for photovoltaic cells

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1/14/2026
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