Average Co-Inventor Count = 5.00
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. Hodogaya Chemical Co., Ltd. (2 from 328 patents)
2 patents:
1. 9871210 - Naphthotriazole derivatives and organic electroluminescence devices
2. 9196839 - Compound having triphenylamine structure, and organic electroluminescent device