Growing community of inventors

Grevenbroich, Germany

Johannes Haas

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 = 8

Johannes HaasKarlheinz Wolf (1 patent)Johannes HaasKonrad Nonn (1 patent)Johannes HaasJoachim Grutze (1 patent)Johannes HaasVolker Paulat (1 patent)Johannes HaasFriedhelm Buse (1 patent)Johannes HaasManfred Hobohm (1 patent)Johannes HaasJohannes Haas (2 patents)Karlheinz WolfKarlheinz Wolf (36 patents)Konrad NonnKonrad Nonn (16 patents)Joachim GrutzeJoachim Grutze (9 patents)Volker PaulatVolker Paulat (7 patents)Friedhelm BuseFriedhelm Buse (1 patent)Manfred HobohmManfred Hobohm (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


2 patents:

1. 5256161 - Aqueous dyestuff preparation: lithium bicarbonate and reactive dye

2. 4564632 - Insecticidal and acaricidal agents and their use

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as of
12/6/2025
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