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. Pioneer Corporation (1 from 2,647 patents)
2. Tohoku Pioneer Corporation (1 from 291 patents)
3. Nippon Steel & Sumikin Chemical Co., Ltd. (1 from 88 patents)
1 patent:
1. 8703303 - Organic electroluminescent device having a light-emitting layer comprising a host material of two or more compounds