Average Co-Inventor Count = 7.00
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. Other (1 from 832,761 patents)
2. Nkk Corporation (1 from 614 patents)
3. Osaka Sanso Kogyo Ltd. (1 from 20 patents)
1 patent:
1. 5393403 - Probe using a mixed sub-electrode for measuring the activity of carbon