Average Co-Inventor Count = 2.40
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 Schwanhaeusser Gmbh & Co. (1 from 9 patents)
2. Gmbh & Co. (1 from 1 patent)
2 patents:
1. D339822 - Writing instruments
2. D320619 - Holder for assorted desk articles