Average Co-Inventor Count = 3.46
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. Idemitsu Kosan Company, Limited (3 from 2,276 patents)
3 patents:
1. 12012389 - Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
2. 11795155 - Compound having naphthobenzofuranyl structure, material for organic electroluminescence device, organic electroluminescence device, and electronic instrument
3. 11678569 - Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device