Growing community of inventors

Erdweg, Germany

Matthias Hefner

Average Co-Inventor Count = 7.00

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 = 0

Matthias Hefner ↔ Jürgen Mertes (1 patent)Matthias Hefner ↔ Georg Knoblauch (1 patent)Matthias Hefner ↔ Heinz Forster (1 patent)Matthias Hefner ↔ Edmund Stadler (1 patent)Matthias Hefner ↔ Peter Reinerth (1 patent)Matthias Hefner ↔ Thomas Sandbank (1 patent)Matthias Hefner ↔ Georg Knoblauch (0 patent)Matthias Hefner ↔ Thomas Sandbank (0 patent)Matthias HefnerMatthias Hefner (1 patent)Jürgen MertesJürgen Mertes (8 patents)Georg KnoblauchGeorg Knoblauch (6 patents)Heinz ForsterHeinz Forster (6 patents)Edmund StadlerEdmund Stadler (5 patents)Peter ReinerthPeter Reinerth (2 patents)Thomas SandbankThomas Sandbank (1 patent)Georg KnoblauchGeorg Knoblauch (0 patent)Thomas SandbankThomas Sandbank (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Basf Aktiengesellschaft (1 from 10,754 patents)

2. Basf Se Corporation (5,668 patents)


1 patent:

1. 7914880 - Composite elements containing polyisocyanate polyaddition products

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12/10/2025
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