Average Co-Inventor Count = 1.00
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. Firma J. S. Staedtler (1 from 4 patents)
2. J.s. Staedtler Gmbh & Co. Kg (34 patents)
1 patent:
1. 4336071 - Kneading and modeling compound and the use thereof