Average Co-Inventor Count = 8.00
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 Global Storage Technologies Netherlands B.v. (1 from 2,636 patents)
2. Nippon Mektron Limited (1 from 272 patents)
1 patent:
1. 8169747 - Cushioning ramp having a stepped structure for a magnetic disc apparatus