Average Co-Inventor Count = 3.00
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. Outokumpu Oy (1 from 216 patents)
2. Dutokumpu Oy (1 from 1 patent)
2 patents:
1. 4473396 - Procedure for roasting seleniferous material
2. 4127235 - Process for producing pulverous selenium from raw selenium