Average Co-Inventor Count = 3.00
ph-index = 4
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. (4 from 2,680 patents)
4 patents:
1. 8603614 - Porous friction material with nanoparticles of friction modifying material
2. 7749562 - Porous friction material comprising nanoparticles of friction modifying material
3. 7429418 - Porous friction material comprising nanoparticles of friction modifying material
4. 7294388 - Friction material with nanoparticles of friction modifying layer