Average Co-Inventor Count = 3.00
ph-index = 1
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. Gs Yuasa Corporation (1 from 45 patents)
1 patent:
1. 7022433 - Negative active material, method of manufacturing its material, and lead acid battery