Growing community of inventors

Darmstadt, Germany

Andrea Ast

Average Co-Inventor Count = 3.00

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 = 2

Andrea Ast ↔ Martin Hoffmann (3 patents)Andrea Ast ↔ Michael Molenda (2 patents)Andrea Ast ↔ Iika Tietjen (1 patent)Andrea Ast ↔ Vera Bistram (1 patent)Andrea Ast ↔ Bettina Schupp (1 patent)Andrea Ast ↔ Claudia Arbter (1 patent)Andrea AstAndrea Ast (3 patents)Martin HoffmannMartin Hoffmann (19 patents)Michael MolendaMichael Molenda (23 patents)Iika TietjenIika Tietjen (2 patents)Vera BistramVera Bistram (2 patents)Bettina SchuppBettina Schupp (1 patent)Claudia ArbterClaudia Arbter (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kao Germany Gmbh (1 from 119 patents)

2. Kpss-Kao Professional Salon Services Gmbh (1 from 51 patents)

3. Kpss-Kao Professissional Slaon Sservices Gmbh (1 from 1 patent)


3 patents:

1. 9271918 - Colouring composition

2. 7691799 - Conditioning composition for hair comprising a mixture of polyarylated silicone, quaternary silicone, and cationic surfactant

3. 7507696 - Cleansing composition comprising a fatty acid monoglyceride and a quaternized, polyether silicone

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/16/2026
Loading…