Growing community of inventors

Langenfeld, Germany

Leonhard Wittich

Average Co-Inventor Count = 3.43

ph-index = 3

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 = 57

Leonhard WittichGuenther Demmering (2 patents)Leonhard WittichKarl Heinz Schmid (1 patent)Leonhard WittichIngo Wegener (1 patent)Leonhard WittichFrank Bongardt (1 patent)Leonhard WittichLothar Friesenhagen (1 patent)Leonhard WittichMichael Koehler (1 patent)Leonhard WittichStephan Heck (1 patent)Leonhard WittichKlaus Herrmann (1 patent)Leonhard WittichHorst-Dieter Komp (1 patent)Leonhard WittichHans-Juergen Sladek (1 patent)Leonhard WittichLeonhard Wittich (3 patents)Guenther DemmeringGuenther Demmering (13 patents)Karl Heinz SchmidKarl Heinz Schmid (67 patents)Ingo WegenerIngo Wegener (20 patents)Frank BongardtFrank Bongardt (14 patents)Lothar FriesenhagenLothar Friesenhagen (11 patents)Michael KoehlerMichael Koehler (9 patents)Stephan HeckStephan Heck (8 patents)Klaus HerrmannKlaus Herrmann (6 patents)Horst-Dieter KompHorst-Dieter Komp (6 patents)Hans-Juergen SladekHans-Juergen Sladek (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Henkel Kommanditgesellschaft Auf Aktien (3 from 2,080 patents)


3 patents:

1. 5709739 - Release agents for hydraulic binders

2. 5389113 - Mixtures of fatty alkyl lower alkyl esters having improved

3. 4895681 - Fatty acid esters of polyglycerol polyglycol ethers, their production

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12/26/2025
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