Average Co-Inventor Count = 3.36
ph-index = 2
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 (3 from 58,129 patents)
3 patents:
1. 8305044 - Battery pack, information processing apparatus, charge control system, charge control method by battery pack, and charge control method by charge control system
2. 8198856 - Electronic apparatus, charging method therefor, and battery
3. 7790309 - Battery pack