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 Kokan Kabushiki Kaisha (1 from 487 patents)
2. Shinagawa Shirorenga Kabushiki Kaisha (1 from 9 patents)
3. Shinagawa Roko Kabushiki Kaisha (1 from 1 patent)
4. Kabushiki Kaisha Ikeda Kikai Seisakusho (1 from 1 patent)
1 patent:
1. 4120488 - Stamping apparatus for applying lining material to iron runners