Average Co-Inventor Count = 8.00
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. Hitachi, Ltd. (3 from 42,508 patents)
3 patents:
1. 5403674 - Conductive material and process for preparing the same
2. 5271871 - Conductive material and process for preparing the same
3. 5085806 - Conductive material and process for preparing the same