Average Co-Inventor Count = 3.07
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. Mitsui Petrochemical Industries, Ltd. (3 from 1,008 patents)
3 patents:
1. 5059451 - Reflection-preventive pellicle film and process for preparation thereof
2. 4996106 - Pellicle
3. 4966813 - Reflection-preventive pellicle film