Average Co-Inventor Count = 1.50
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. 4556613 - Resistant glass in glass-metal seal and cell terminal structure for
2. 4484691 - Pressure release device