Average Co-Inventor Count = 6.00
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. Japan Metals & Chemicals Co., Ltd. (1 from 50 patents)
2. Nippon Steel Welding Products and Engineering Co., Ltd. (1 from 18 patents)
1 patent:
1. 5968449 - Iron base Si--Mn alloy or iron base Si--Mn--Ni alloy having good