Average Co-Inventor Count = 2.40
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 (4 from 1,557 patents)
4 patents:
1. 5071056 - Method of making brake shoes
2. D319207 - Brake shoe rib
3. D319208 - Brake shoe rib
4. 4901562 - Vehicle wheel speed sensor for a drive axle