Average Co-Inventor Count = 4.00
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. Tohoku Electric Power Company, Inc. (1 from 63 patents)
2. Kyokuto Boeki Kaisha, Ltd. (1 from 3 patents)
1 patent:
1. 5070537 - System for detecting defective point on power transmission line by