Average Co-Inventor Count = 3.75
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. Nippon Steel Corporation (2 from 3,563 patents)
2 patents:
1. 4524111 - Weldable paint-coated steel sheets having excellent corrosion resistance
2. 4079163 - Weldable coated steel sheet