Average Co-Inventor Count = 2.25
ph-index = 3
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. Eka Nobel Ab (3 from 102 patents)
3 patents:
1. 5512135 - Process for the production of paper
2. 5496440 - Process for the manufacture of paper
3. 5374335 - Sized paper, process for producing same and use thereof