Growing community of inventors

Wuppertal, Germany

Stefan Lettmann

Average Co-Inventor Count = 11.00

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 = 18

Stefan Lettmann ↔ Karl-Heinz Schlemmer (1 patent)Stefan Lettmann ↔ Arnold Paessens (1 patent)Stefan Lettmann ↔ Olaf Weber (1 patent)Stefan Lettmann ↔ Ulrich Niewöhner (1 patent)Stefan Lettmann ↔ Jürgen Stoltefuss (1 patent)Stefan Lettmann ↔ Jörn Stölting (1 patent)Stefan Lettmann ↔ Erwin Graef (1 patent)Stefan Lettmann ↔ Karl Deres (1 patent)Stefan Lettmann ↔ Thomas Krämer (1 patent)Stefan Lettmann ↔ Siegfired Goldmann (1 patent)Stefan LettmannStefan Lettmann (1 patent)Karl-Heinz SchlemmerKarl-Heinz Schlemmer (120 patents)Arnold PaessensArnold Paessens (30 patents)Olaf WeberOlaf Weber (20 patents)Ulrich NiewöhnerUlrich Niewöhner (15 patents)Jürgen StoltefussJürgen Stoltefuss (9 patents)Jörn StöltingJörn Stölting (6 patents)Erwin GraefErwin Graef (5 patents)Karl DeresKarl Deres (3 patents)Thomas KrämerThomas Krämer (1 patent)Siegfired GoldmannSiegfired Goldmann (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bayer Aktiengesellschaft (1 from 12,160 patents)


1 patent:

1. 6696451 - Dihydropyrimidines

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