Average Co-Inventor Count = 3.00
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. Nec Tokin Corporation (2 from 259 patents)
2 patents:
1. 7092239 - Electric double layer capacitor with improved activated carbon electrodes
2. 6657850 - Electric double layer capacitor and method of forming the same