Average Co-Inventor Count = 9.00
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. Hitachi, Ltd. (2 from 42,517 patents)
2 patents:
1. 4689091 - Process for producing zirconium-based alloy
2. 4678521 - Process for producing zirconium-based alloy and the product thereof