Average Co-Inventor Count = 4.00
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. Sony Corporation (1 from 58,131 patents)
2. Hitachi Global Storage Technologies Netherlands B.v. (1 from 2,636 patents)
2 patents:
1. 8052340 - Imaging apparatus
2. 7420784 - Rotating disk storage device with high rigidity flexible printed circuit board