Average Co-Inventor Count = 3.11
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. Nkk Corporation (2 from 614 patents)
2. Other (1 from 832,718 patents)
3. Tdk Corporation (1 from 7,954 patents)
2 patents:
1. 4948434 - Method for manufacturing Ni-Fe alloy sheet having excellent DC magnetic
2. 4936965 - Method for continuously electro-tinplating metallic material