Average Co-Inventor Count = 4.00
ph-index = 1
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 (1 from 3,554 patents)
2. Mitsui High-tec Incorporated (1 from 185 patents)
1 patent:
1. 4602969 - Method for annealing a core blank used in electric machinery and devices