Average Co-Inventor Count = 2.30
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.
Company Filing History:
1. Staedtler Se (5 from 10 patents)
2. Staedtler Mars Gmbh & Co. Kg (2 from 26 patents)
8 patents:
1. D1075914 - Pencil
2. D1075916 - Pencil
3. D1075915 - Pencil
4. D1075917 - Pencil
5. D1075918 - Pencil
6. D1045990 - Pencil
7. 10401981 - Input device for touch-sensitive, capacitive surfaces
8. 9862226 - Component for writing, drawing, painting and/or cosmetic implements and method for the production thereof