Average Co-Inventor Count = 4.24
ph-index = 3
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 (3 from 3,568 patents)
2. Japan Atomic Energy Research Institute (1 from 321 patents)
3 patents:
1. 5514332 - Titanium for conductor conduit in superconducting coil
2. 4790885 - Method of producing high tensile-high toughness steel
3. 3960612 - Method for producing a low temperature high strength tough steel