Growing community of inventors

Neuss, Germany

Helmut Sies

Average Co-Inventor Count = 7.20

ph-index = 2

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 = 17

Helmut SiesSigurd Leyck (2 patents)Helmut SiesErich Graf (2 patents)Helmut SiesNorbert Dereu (2 patents)Helmut SiesAlbrecht Wendel (2 patents)Helmut SiesHans Betzing (1 patent)Helmut SiesAndre Welter (1 patent)Helmut SiesMichael J Parnham (1 patent)Helmut SiesAxel Romer (1 patent)Helmut SiesHartmut Fischer (1 patent)Helmut SiesHelmut Sies (2 patents)Sigurd LeyckSigurd Leyck (16 patents)Erich GrafErich Graf (8 patents)Norbert DereuNorbert Dereu (6 patents)Albrecht WendelAlbrecht Wendel (6 patents)Hans BetzingHans Betzing (17 patents)Andre WelterAndre Welter (10 patents)Michael J ParnhamMichael J Parnham (8 patents)Axel RomerAxel Romer (4 patents)Hartmut FischerHartmut Fischer (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. A. Nattermann & Cie Gmbh (2 from 94 patents)


2 patents:

1. 4730053 - S-[2-phenyl (alkyl) carbamoyl]-phenylselenylmercapto derivatives

2. 4618669 - S-(carbamoyl-phenylselenyl) derivatives of glutathione and of

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