Average Co-Inventor Count = 14.99
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. Other (2 from 832,812 patents)
2 patents:
1. 4406962 - Commutator electric machine
2. 4119572 - Carbon-graphite material for brushes of electric machines and method for