Growing community of inventors

Oberhausen, Germany

Udo Sach

Average Co-Inventor Count = 1.00

ph-index = NA

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 = 0

Udo Sach ↔ Heinz Bienek (3 patents)Udo Sach ↔ Frank Dr Lypsch (0 patent)Udo SachUdo Sach (0 patent)Heinz BienekHeinz Bienek (3 patents)Frank Dr LypschFrank Dr Lypsch (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Evonik Energy Services Gmbh (6 patents)


0 patent:

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12/14/2025
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