Average Co-Inventor Count = 4.20
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. Duracell Inc. (2 from 219 patents)
2 patents:
1. 5856040 - Alkaline cell
2. 5283139 - Alkaline cell