Average Co-Inventor Count = 4.50
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. Sfc Co., Ltd. (1 from 94 patents)
2 patents:
1. 10505119 - Organic electroluminescence device
2. 10276800 - Organic electroluminescence device having at least an a node, a hole injection layer, a first hole transport layer. A second hole transport layer a luminous layer, an electron transport layer, and a cathode