Average Co-Inventor Count = 2.67
ph-index = 3
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 Schwanhausser Gmbh & Co. (2 from 19 patents)
2. Schwan-stabilo Schwanhaeusser Gmbh & Co. (2 from 9 patents)
4 patents:
1. 5328284 - Refilling container for refilling a writing, painting or drawing
2. 5094254 - Mascara applicator device
3. 5018892 - Applicator device for a stick of spreadable material
4. 4810124 - Applicator device