Average Co-Inventor Count = 1.50
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. Borgwarner Inc. (3 from 2,680 patents)
3 patents:
1. 4030785 - Bearing cartridge
2. 3981550 - Bearing improvement
3. 3977740 - Roller bearing improvement