Average Co-Inventor Count = 2.73
ph-index = 2
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. (4 from 8 patents)
2. Messrs. Schwan-stabilo Schwanhausser Gmbh & Co. (1 from 4 patents)
3. Schwan-stabilo Cosmetics Gmbh & Co. Kg (40 patents)
5 patents:
1. 6277182 - Pigment-containing oil-based gel materials
2. 6206597 - Process for producing a stick-like implement
3. 5895161 - Cosmetic pencil
4. 5782568 - Application system
5. 4230655 - Pencils