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Volkach, Germany

Helmut Erhard

Average Co-Inventor Count = 2.00

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 = 13

Helmut ErhardGeorg Schneider (2 patents)Helmut ErhardHelmut Erhard (2 patents)Georg SchneiderGeorg Schneider (107 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Metronic Geratebau Gmbh & Co. (2 from 3 patents)


2 patents:

1. 5806420 - Printer for printing compact discs (CD)

2. 5558021 - Printing device for printing plastic cards

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as of
12/9/2025
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