Average Co-Inventor Count = 9.00
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. Beijing Summer Sprout Technology Co. Ltd. (1 from 52 patents)
1 patent:
1. 11937499 - Aromatic amine derivative and organic electroluminescent devices containing the same