Growing community of inventors

Kerpen-Horrem, Germany

Erich Graf

Average Co-Inventor Count = 4.59

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 = 28

Erich GrafSigurd Leyck (4 patents)Erich GrafJurgen Biedermann (3 patents)Erich GrafHans Betzing (2 patents)Erich GrafGerrit Prop (2 patents)Erich GrafGerd Hilboll (2 patents)Erich GrafAlbrecht Wendel (2 patents)Erich GrafNorbert Dereu (2 patents)Erich GrafHarald O Borbe (2 patents)Erich GrafHelmut Sies (2 patents)Erich GrafMichel Evers (1 patent)Erich GrafEugen Etschenberg (1 patent)Erich GrafHans-Heiner Lautenschlager (1 patent)Erich GrafAndre Welter (1 patent)Erich GrafMichael J Parnham (1 patent)Erich GrafIlle-Stephanie Doppelfeld (1 patent)Erich GrafAxel Romer (1 patent)Erich GrafHartmut Fischer (1 patent)Erich GrafRolf Terlinden (1 patent)Erich GrafJoachim Uhlendorf (1 patent)Erich GrafHamied Gabbar (1 patent)Erich GrafMeinhard Zenk (1 patent)Erich GrafErich Graf (8 patents)Sigurd LeyckSigurd Leyck (16 patents)Jurgen BiedermannJurgen Biedermann (9 patents)Hans BetzingHans Betzing (17 patents)Gerrit PropGerrit Prop (13 patents)Gerd HilbollGerd Hilboll (10 patents)Albrecht WendelAlbrecht Wendel (6 patents)Norbert DereuNorbert Dereu (6 patents)Harald O BorbeHarald O Borbe (5 patents)Helmut SiesHelmut Sies (2 patents)Michel EversMichel Evers (23 patents)Eugen EtschenbergEugen Etschenberg (19 patents)Hans-Heiner LautenschlagerHans-Heiner Lautenschlager (16 patents)Andre WelterAndre Welter (10 patents)Michael J ParnhamMichael J Parnham (8 patents)Ille-Stephanie DoppelfeldIlle-Stephanie Doppelfeld (7 patents)Axel RomerAxel Romer (4 patents)Hartmut FischerHartmut Fischer (3 patents)Rolf TerlindenRolf Terlinden (2 patents)Joachim UhlendorfJoachim Uhlendorf (2 patents)Hamied GabbarHamied Gabbar (1 patent)Meinhard ZenkMeinhard Zenk (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. A. Nattermann & Cie Gmbh (6 from 94 patents)

2. Nattermann & Cie Gmbh (1 from 5 patents)

3. A. Natternabb & Cie Gmbh (1 from 1 patent)


8 patents:

1. 5114954 - Antiinflammatory benzylselenobenzamides from aminopyridines and

2. 4746660 - Process for reducing reflex tachycardia in the treatment of hypertension

3. 4730053 - S-[2-phenyl (alkyl) carbamoyl]-phenylselenylmercapto derivatives

4. 4661487 - Process for reducing reflex tachycardia in the treatment of hypertension

5. 4618669 - S-(carbamoyl-phenylselenyl) derivatives of glutathione and of

6. 4610979 - O-acyl-alkanediol-phospholipids and processes for the treatment of asthma

7. 4329361 - Use of rosmarinic acid in the treatment of inflammations and

8. 4269855 - (3-Alkylamino-2-hydroxypropoxy)-furan-2-carboxylic acid anilides and

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12/7/2025
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