Average Co-Inventor Count = 4.36
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. Mitsui Petrochemical Industries, Ltd. (2 from 1,008 patents)
2 patents:
1. 5300558 - Curable resin coating composition
2. 5118586 - Photo-recording media and photo-recording method