Average Co-Inventor Count = 1.00
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.
Company Filing History:
1. Other (1 from 832,812 patents)
2. Schwan-stabilo Schwanhäusser Gmbh & Co. Kg (1 from 5 patents)
3. Schwan-stabilo Schwanthausser Gmbh & Co. Kg (1 from 1 patent)
3 patents:
1. 7172359 - Marking implement
2. 7147394 - Writing insert with non-destructive final inspection
3. 7086527 - Receptacle for accommodating at least one pencil