Average Co-Inventor Count = 4.50
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. Other (3 from 832,761 patents)
2. Mitsubishi Chemical Industries Limited (1 from 614 patents)
3. Mitsubishi Kasei Corporation (1 from 499 patents)
4. Research Development Corporation of Japan (1 from 255 patents)
3 patents:
1. 5697980 - Artificial filling and prosthetic material
2. 5049074 - Dental implant
3. 4457984 - Carbon artificial prosthetic material