Growing community of inventors

Leverkusen, Germany

Johann Zimmer

Average Co-Inventor Count = 2.40

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 = 5

Johann ZimmerWerner Maurer (2 patents)Johann ZimmerArtur Haus (1 patent)Johann ZimmerJohann Zimmer (2 patents)Werner MaurerWerner Maurer (3 patents)Artur HausArtur Haus (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bayer Aktiengesellschaft (2 from 12,157 patents)


2 patents:

1. 4453002 - Formaldehyde condensates and their preparation

2. 4376859 - Process for the preparation of aniline condensation dyestuffs

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12/6/2025
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