Average Co-Inventor Count = 3.43
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. Mitsubishi Kasei Corporation (1 from 499 patents)
2. Fujimi Incorporated (1 from 264 patents)
2 patents:
1. 5366542 - Polishing composition
2. 4956015 - Polishing composition