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. Otsuka Chemical Co., Ltd. (1 from 167 patents)
2. Stella Chemifa Corporation (1 from 51 patents)
1 patent:
1. 8747690 - Quaternary ammonium salt and composition, and electrochemical device