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 58,132 patents)
1 patent:
1. 6671455 - Magnetic recording apparatus and method therefor, and magnetic recording and reproduction apparatus and method therefor