Average Co-Inventor Count = 4.00
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. Nippon Steel Corporation (2 from 3,554 patents)
2. Harima Refractory Co., Ltd. (1 from 4 patents)
2 patents:
1. 5181970 - Process for production of stainless steel thin strip and sheet having
2. 4302372 - Non-fired silicon carbide refractories