Average Co-Inventor Count = 3.00
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 Corporation (2 from 3,562 patents)
2. Nippon Steel Sumitomo Metal Corporation (1,102 patents)
2 patents:
1. 12071174 - Subframe
2. 10753826 - Collision test apparatus using test sample support for structural member