Average Co-Inventor Count = 4.00
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. Caterpillar Inc. (2 from 9,499 patents)
2 patents:
1. 8236261 - Exhaust system having a gold-platinum group metal catalyst
2. 8071504 - Exhaust system having a gold-platinum group metal catalyst