Average Co-Inventor Count = 5.00
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 3,562 patents)
2. Tnk Sanwa Precision Co., Ltd. (1 from 2 patents)
1 patent:
1. 4851059 - Non-magnetic high hardness austenitic stainless steel