Average Co-Inventor Count = 5.83
ph-index = 2
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. Kawasaki Steel Corporation (2 from 1,256 patents)
2 patents:
1. 4904842 - Blowhole.multidot.pit preventing agent and arc-welding method using the
2. 4309587 - Horizontal electro-slag welding process for surfacing