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 Sumitomo Metal Corporation (1 from 1,102 patents)
2. Tokyo Rope Manufacturing Co., Ltd. (1 from 35 patents)
1 patent:
1. 9862234 - Strip-shaped steel cord