Average Co-Inventor Count = 3.43
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 Cable, Inc. (2 from 836 patents)
2 patents:
1. 5469067 - Detecting partial discharge using a detection coil and analysis of
2. 5323117 - Method for detecting partial discharge in an insulation of an electric