Growing community of inventors

Jona, Switzerland

Johann Frei

Average Co-Inventor Count = 3.43

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 = 2

Johann FreiHubert Ehbing (2 patents)Johann FreiHolger Zien (2 patents)Johann FreiRainer Rauhaus (1 patent)Johann FreiJohann Frei (2 patents)Hubert EhbingHubert Ehbing (7 patents)Holger ZienHolger Zien (3 patents)Rainer RauhausRainer Rauhaus (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bayer Intellectual Property Gmbh (1 from 721 patents)

2. Bayer Materialscience Ag (1 from 532 patents)


2 patents:

1. 8389590 - Process and installation for the production of foam in a continuous foaming process

2. 7645809 - Process and apparatus for the optimized production of foam in a continuous block slabstock process

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/22/2026
Loading…