Average Co-Inventor Count = 2.00
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. Sumitomo Electric Industries, Limited (1 from 10,264 patents)
2. A.l.m.t. Corporation (80 patents)
1 patent:
1. 6974923 - Electric contact and breaker using the same