Average Co-Inventor Count = 3.00
ph-index = 1
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 Metals, Ltd. (2 from 2,333 patents)
2 patents:
1. 10188010 - Seal ring and method for manufacturing seal ring
2. 9961791 - Seal ring and method for manufacturing seal ring