Average Co-Inventor Count = 7.00
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. Ihi Corporation (2 from 1,164 patents)
2 patents:
1. 7828194 - Method for positioning plate members to be butt-welded
2. 7784666 - Method and apparatus for positioning plate members to be butt-welded