Average Co-Inventor Count = 4.56
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. Chisso Corporation (3 from 1,109 patents)
3 patents:
1. 6489426 - Propylene base polymer and a polypropylene film using the same
2. 6348271 - Film having gas permeability
3. 6294632 - Biaxially oriented polypropylene film