Average Co-Inventor Count = 2.00
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. Varta Batterie Aktiengesellschaft (3 from 204 patents)
3 patents:
1. 4299646 - Manufacture of air oxygen electrodes
2. 4292681 - Housing for instruments powered by ambient oxygen elements
3. 4087596 - Positive electrode for air/zinc elements