Average Co-Inventor Count = 1.00
ph-index = 5
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. Faber-castell Ag (5 from 45 patents)
2. William Prym Gmbh & Co. Kg (1 from 24 patents)
6 patents:
1. 11319653 - Device for making pompons
2. D678409 - Connector paint box
3. D674440 - Pen
4. D671166 - Water cup
5. D670760 - Pen
6. D651409 - Paint brush