Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12243643 | Determining external hair damage | Erik Schulze zur Wiesche | 2025-03-04 |
| 12121133 | Method for determining a greyness level of a strand of hair | Lucile Bonnin, Astrid Kroos | 2024-10-22 |
| 11857332 | Determination of a degree of elongation of hair using a NIR sensor | Lucile Bonnin, Astrid Kroos, Annika Koenen, Erik Schulze zur Wiesche | 2024-01-02 |
| 11311093 | Method for determining a cross-manufacturer hair dye recommendation | Annika Koenen, Lucile Bonnin | 2022-04-26 |
| 11035801 | Method and device for computer-assisted determination of a hair colouring outcome | — | 2021-06-15 |