Average Co-Inventor Count = 5.46
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. Kabushiki Kaisha Kobe Seiko Sho (2 from 1,100 patents)
2. Kobe Steel, Ltd. (1 from 1,883 patents)
3 patents:
1. 5590959 - Continuous mixer and rotor segment removal tool for the same
2. 5143448 - Two-shaft continuous mixing apparatus
3. 4204496 - Steel-pipe coating apparatus