Average Co-Inventor Count = 3.00
ph-index = 2
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. Sunds Defibrator Industries Aktiebolag (1 from 28 patents)
2. Sunds Defibrator Aktiebolag (1 from 27 patents)
2 patents:
1. 5145010 - Method of making mechanical pulp
2. 4789429 - Method of making mechanical pulp