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. Ab Bonnierforetagen (1 from 10 patents)
2. Kvaerner Pulping Aktiebolag (1 from 8 patents)
2 patents:
1. 5605604 - Method of reducing the resin content in sulfite pulp
2. 4641969 - Method and apparatus for measuring the content of suspended substances