Average Co-Inventor Count = 6.00
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. Sfc Co., Ltd. (1 from 94 patents)
2. Hodogaya Chemical Co., Ltd. (328 patents)
1 patent:
1. 11683980 - Condensed fluorene derivative comprising heterocyclic ring