Average Co-Inventor Count = 4.45
ph-index = 3
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. Mitsubishi Chemical Corporation (2 from 2,350 patents)
2. Mitsubishi Kasei Corporation (1 from 499 patents)
3 patents:
1. 6358487 - Carbon black and process for producing the same
2. 5772975 - Carbon black
3. 4904285 - Deaerator for particulates