Average Co-Inventor Count = 9.00
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. Ihi Corporation (1 from 1,142 patents)
2. Daido Steel Co., Ltd. (1 from 146 patents)
1 patent:
1. 9506125 - Aircraft engine shaft comprising a maraging steel having a tensile strength of 2300MPa or more