Average Co-Inventor Count = 3.83
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 Kasei Corporation (2 from 499 patents)
2. Mitsubishi Chemical Corporation (1 from 2,346 patents)
3 patents:
1. 5476741 - Toner for heat fixing
2. 5290650 - Electrostatic image-developing positively chargeable toner and developer
3. 5244764 - Electrostatic image-developing toner and developer