Average Co-Inventor Count = 8.00
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. Nippon Steel Sumitomo Metal Corporation (1 from 1,101 patents)
2. Nippon Steel Corporation (3,554 patents)
1 patent:
1. 9446473 - Electric resistance welding operation management device, electric resistance welding operation management method, and computer program