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. Akzo Nobel N.v. (1 from 1,248 patents)
2. Akzona Incorporated (1 from 511 patents)
2 patents:
1. 5693133 - Asbestos free roof coatings
2. 4542163 - Method for the manufacture of polyisocyanurate foams