Average Co-Inventor Count = 2.86
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. Oy Partek Ab (1 from 51 patents)
2. Partek Paroc Oy Ab (1 from 1 patent)
2 patents:
1. 5843854 - Mineral fibre composition
2. 5123941 - Apparatus for producing mineral wool