Average Co-Inventor Count = 3.43
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. (2 from 2,636 patents)
2 patents:
1. 7888902 - Adjustable voice coil motor driver
2. 7291994 - System and method for establishing spindle motor current during cold temperature operation of HDD