Growing community of inventors

Munich, Georgia

By Frank Siemann, Heir

Average Co-Inventor Count = 7.00

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 = 8

By Frank Siemann, HeirWalter Elger (1 patent)By Frank Siemann, HeirBirgitt Schneider (1 patent)By Frank Siemann, HeirSigfrid Schwarz (1 patent)By Frank Siemann, HeirGudrun Reddersen (1 patent)By Frank Siemann, HeirBy Margit Lucas, Heir (1 patent)By Frank Siemann, HeirHans-Joachim Siemann, Deceased (1 patent)By Frank Siemann, HeirBy Frank Siemann, Heir (1 patent)Walter ElgerWalter Elger (122 patents)Birgitt SchneiderBirgitt Schneider (17 patents)Sigfrid SchwarzSigfrid Schwarz (15 patents)Gudrun ReddersenGudrun Reddersen (9 patents)By Margit Lucas, HeirBy Margit Lucas, Heir (1 patent)Hans-Joachim Siemann, DeceasedHans-Joachim Siemann, Deceased (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Jenapharm Gmbh & Co. Kg (1 from 26 patents)


1 patent:

1. 6080735 - Estra-1,3,5(10)-trien derivatives, processes for their preparation and

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1/5/2026
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