Average Co-Inventor Count = 3.43
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.
Company Filing History:
1. Schwan-stabilo Cosmetics Gmbh & Co. Kg (4 from 40 patents)
4 patents:
1. 9408454 - Pencil
2. 8764330 - Pencil, in particular a cosmetic pencil
3. 8714854 - Pencil
4. 8596895 - Pencil