Average Co-Inventor Count = 1.62
ph-index = 6
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. (4 from 19 patents)
2. Messrs. Schwan-stabilo Schwanhausser Gmbh & Co. (2 from 4 patents)
3. Gmbh & Co. (1 from 1 patent)
7 patents:
1. D339822 - Writing instruments
2. 5004363 - Applicator device for cosmetic uses
3. 4993858 - Applicator device for cosmetic uses
4. D299470 - Marking instrument
5. D271889 - Marking instrument
6. D269445 - Writing instrument
7. D268501 - Marking instrument