Growing community of inventors

Jena, Germany

Hans-Joachim Siemann, Deceased

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

Hans-Joachim Siemann, Deceased ↔ Walter Elger (1 patent)Hans-Joachim Siemann, Deceased ↔ Birgitt Schneider (1 patent)Hans-Joachim Siemann, Deceased ↔ Sigfrid Schwarz (1 patent)Hans-Joachim Siemann, Deceased ↔ Gudrun Reddersen (1 patent)Hans-Joachim Siemann, Deceased ↔ By Margit Lucas, Heir (1 patent)Hans-Joachim Siemann, Deceased ↔ By Frank Siemann, Heir (1 patent)Hans-Joachim Siemann, DeceasedHans-Joachim Siemann, Deceased (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)By Frank Siemann, HeirBy Frank Siemann, Heir (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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