Average Co-Inventor Count = 4.00
ph-index = 1
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. Idemitsu Kosan Company, Limited (1 from 2,272 patents)
1 patent:
1. 12435073 - Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device