Average Co-Inventor Count = 2.22
ph-index = 4
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 (5 from 58,131 patents)
2. Mitsubishi Heavy Industries Limited (4,631 patents)
5 patents:
1. 7802190 - Application display apparatus and application display system
2. 6222348 - Battery system featuring transmission of battery data from a battery pack
3. 5689172 - Charging battery system for video camera
4. 5602454 - Battery pack having identification recesses and terminals
5. 5248927 - Battery pack with temperature detecting element and battery charger