Average Co-Inventor Count = 3.43
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. Schwan-stabilo Cosmetics Gmbh & Co. Kg (3 from 40 patents)
2. Other (2 from 832,812 patents)
6 patents:
1. 12059484 - Method for producing powder leads and products produced therewith
2. 11911927 - Wood-encased pencil
3. 11648185 - Method for producing powder leads and products produced therewith
4. 11433017 - Process for producing a wax preparation
5. 7150784 - Pigment-containing gel mass vased on lipids
6. 6830610 - Method for increasing the tensile, breaking and flexural strength of colored leads and colored pencils containing the same