Average Co-Inventor Count = 6.15
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. Tosoh Corporation (2 from 895 patents)
2. Sagami Chemical Research Institute (1 from 22 patents)
2 patents:
1. 9780310 - Heterocyclic compound for organic electroluminescent device and its application
2. 9252368 - Cyclic azine compound having nitrogen-containing condensed aromatic group, method for producing same, and organic electroluminescent device comprising same as constituent component