Average Co-Inventor Count = 3.46
ph-index = 2
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. Kabushiki Kaisha Kobe Seiko Sho (3 from 1,100 patents)
3 patents:
1. 5354192 - Indirect extrusion press
2. 4744236 - Method of and apparatus for indirect extrusion
3. 4439099 - Apparatus for stacking elongated materials