Average Co-Inventor Count = 2.00
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. Kobe Steel, Ltd. (1 from 1,887 patents)
2. Kabushiki Kaisha Kobe Seiko Sho (1,100 patents)
1 patent:
1. 9970072 - High-strength spring steel wire with excellent hydrogen embrittlement resistance, manufacturing process therefor, and high-strength spring