Growing community of inventors

Backnang, Germany

Hans-Joachim Topfer

Average Co-Inventor Count = 4.00

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 = 15

Hans-Joachim Topfer ↔ Thomas Stoll (1 patent)Hans-Joachim Topfer ↔ Helmut Stelzmuller (1 patent)Hans-Joachim Topfer ↔ Gerhard Stabler (1 patent)Hans-Joachim TopferHans-Joachim Topfer (1 patent)Thomas StollThomas Stoll (4 patents)Helmut StelzmullerHelmut Stelzmuller (3 patents)Gerhard StablerGerhard Stabler (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alfred Karcher Gmbh & Co. (1 from 36 patents)


1 patent:

1. 5731065 - Multilayered, textile, gas-permeable filter material against toxic

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