Average Co-Inventor Count = 3.00
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. Osaka Diamond Industrial Co. (2 from 14 patents)
2 patents:
1. D422865 - Diamond circular saw blade
2. D392864 - Diamond circular saw blade