Growing community of inventors

Wuppertal, Germany

Otto Happich

Average Co-Inventor Count = 1.33

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 = 29

Otto HappichKurt Cziptschirsch (1 patent)Otto HappichOtto Happich (2 patents)Kurt CziptschirschKurt Cziptschirsch (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Gebr. Happich Gmbh (2 from 124 patents)


2 patents:

1. 5565053 - Method of manufacturing a plastic molding

2. 5061004 - Vehicle sun visor with reversible mirror

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as of
12/19/2025
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