Average Co-Inventor Count = 2.00
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. Evonik Degussa Gmbh (2 from 1,242 patents)
2. Rotec Rohstoff-technik Gmbh & Co. Kg (2 from 2 patents)
2 patents:
1. 9388075 - Granular pumice and method for producing granular pumice
2. 8859096 - Granular pumice and method for producing granular pumice