Average Co-Inventor Count = 4.44
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. (4 from 328 patents)
4 patents:
1. 9564600 - Compound having an indolocarbazole ring structure and organic electroluminescent device
2. 8624228 - Compound having pyridoindole ring structure bonded with substituted pyridyl group, and organic electroluminescent device
3. 8586210 - Compound having substituted anthracene ring structure and pyridoindole ring structure and organic electroluminescence device
4. 8377573 - Compound having substituted pyridyl group and pyridoindole ring structure linked through phenylene group, and organic electroluminescent device