Growing community of inventors

Pentling, Germany

Helmut Schonenberger

Average Co-Inventor Count = 3.53

ph-index = 3

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 = 29

Helmut SchonenbergerJurgen Engel (6 patents)Helmut SchonenbergerErwin Von Angerer (6 patents)Helmut SchonenbergerNorbert Knebel (2 patents)Helmut SchonenbergerMargaretha Jennerwein (2 patents)Helmut SchonenbergerManfred Schmidt (1 patent)Helmut SchonenbergerHenri Brunner (1 patent)Helmut SchonenbergerGerfried Unger (1 patent)Helmut SchonenbergerUlrich Holzinger (1 patent)Helmut SchonenbergerWalter Schwarz (1 patent)Helmut SchonenbergerMartin Schneider (1 patent)Helmut SchonenbergerRolf W Hartmann (1 patent)Helmut SchonenbergerJohann Karl (1 patent)Helmut SchonenbergerBeate Wappes (1 patent)Helmut SchonenbergerHelmut Schonenberger (8 patents)Jurgen EngelJurgen Engel (81 patents)Erwin Von AngererErwin Von Angerer (6 patents)Norbert KnebelNorbert Knebel (2 patents)Margaretha JennerweinMargaretha Jennerwein (2 patents)Manfred SchmidtManfred Schmidt (14 patents)Henri BrunnerHenri Brunner (5 patents)Gerfried UngerGerfried Unger (3 patents)Ulrich HolzingerUlrich Holzinger (1 patent)Walter SchwarzWalter Schwarz (1 patent)Martin SchneiderMartin Schneider (1 patent)Rolf W HartmannRolf W Hartmann (1 patent)Johann KarlJohann Karl (1 patent)Beate WappesBeate Wappes (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Degussa Aktiengesellschaft (3 from 1,678 patents)

2. Asta-werke Aktiengesellschaft (2 from 5 patents)

3. Asta Pharma Aktiengesellschaft (1 from 29 patents)

4. Asta-werke Aktiengesellschaft, Chemische Fabrik (1 from 6 patents)

5. Asta Pharma (1 from 1 patent)


8 patents:

1. 5130308 - Method of treating hormone dependent tumors with diamine-platinum (II)

2. 4992553 - Diamine-platinum (II) complex compounds

3. 4745233 - Derivatives of

4. 4730068 - Tumor retarding (1,2-diphenyl-ethylenediamine)-platinum(II)-complexes

5. 4704464 - Tumor retarding (1-benzyl-ethylenediamine)-platin (II)-complexes

6. 4661511 - 2-(hydroxy-phenyl)-indoles and process for their production

7. 4598091 - (1,2-diphenyl)-ethylenediamine)-platinum (II) complex compounds

8. 4543360 - 2-(Hydroxy-phenyl)-indoles and process for their production

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idiyas.com
as of
12/15/2025
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