Average Co-Inventor Count = 2.86
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. Dana Corporation (1 from 1,557 patents)
2. Federal-mogul Sintered Products Limited (1 from 6 patents)
2 patents:
1. 6416877 - Forming a plain bearing lining
2. 6123748 - Iron-based powder