Average Co-Inventor Count = 14.01
ph-index = 3
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 Vehicle Energy, Ltd. (3 from 69 patents)
3 patents:
1. D644176 - Battery
2. D644178 - Battery
3. D642978 - Battery