Average Co-Inventor Count = 4.67
ph-index = 2
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. Japan Energy Corporation (2 from 130 patents)
2. Idemitsu Kosan Company, Limited (1 from 2,269 patents)
3 patents:
1. 7321066 - Method for producing aromatic diamine derivative
2. 6376501 - Type 2 helper T cell-selective immune response suppressors
3. 6028076 - Purine derivative