Average Co-Inventor Count = 4.44
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. Outotec Oyj (2 from 220 patents)
2. Outotec (finland) Oy (173 patents)
3. Metso Outotec Finland Oy (36 patents)
2 patents:
1. 8540950 - Method for the removal of chloride from zinc sulphate solution
2. 7811357 - Method for recovering rare metals in zinc leaching process