Average Co-Inventor Count = 4.00
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. Valmet Fibertech Aktiebolag (1 from 24 patents)
1 patent:
1. 6221207 - Oxygen delignification of pulp in two stages with low pressure steam heating between stages