Average Co-Inventor Count = 6.15
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 3,562 patents)
2 patents:
1. 4891274 - Hot-dip aluminum coated steel sheet having excellent corrosion
2. 4078919 - Ferritic stainless steel having excellent workability and high toughness