Average Co-Inventor Count = 2.00
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. Metsa-serla (2 from 3 patents)
2. M-real Corporation (1 from 2 patents)
3 patents:
1. 6599391 - Filler for use in paper manufacture and procedure for producing a filler
2. 6375794 - Filler for use in paper manufacture and procedure for producing a filler
3. 6251222 - Filler for use in paper manufacture and procedure for producing a filler