Average Co-Inventor Count = 4.00
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 Industries Limited (1 from 614 patents)
3 patents:
1. 4916012 - Cement reinforcing fiber
2. 4915739 - Modified carbon fiber reinforced cement
3. 4895890 - Calcium silicate shaped product