Average Co-Inventor Count = 1.60
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. Tenneco Automotive Operating Company Inc. (2 from 406 patents)
2 patents:
1. 8495986 - Retrofit injector mount
2. 8109077 - Dual injector system for diesel emissions control