Growing community of inventors

Seewalchen, undefined

Johann Hupfl

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 = 12

Johann Hupfl ↔ Manfred Czermak (1 patent)Johann Hupfl ↔ Helmut Teichmann (1 patent)Johann Hupfl ↔ Josef Paul (1 patent)Johann HupflJohann Hupfl (1 patent)Manfred CzermakManfred Czermak (1 patent)Helmut TeichmannHelmut Teichmann (1 patent)Josef PaulJosef Paul (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hoechst Aktiengesellschaft (1 from 6,662 patents)

2. Chemiefaser Lenzing Aktiengesellschaft (1 from 9 patents)


1 patent:

1. 4063883 - Manufacture of flame-retardant regenerated cellulose fibres

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12/14/2025
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