Average Co-Inventor Count = 1.80
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. Cooper Industries, Inc. (1 from 901 patents)
2. Wagner Electric Corporation (1 from 83 patents)
3. Moog Automotive Products, Inc. (1 from 2 patents)
3 patents:
1. 6013146 - Reinforced friction material
2. 5861203 - Reinforced friction material
3. 5689058 - Friction material evaluation apparatus