Average Co-Inventor Count = 6.86
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. Heesung Material Ltd. (2 from 9 patents)
2 patents:
1. 10381577 - Hetero-cyclic compound and organic light emitting device using the same
2. 10026908 - Hetero-cyclic compound and organic light emitting device using the same