Average Co-Inventor Count = 2.00
ph-index = 1
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 Gmbh (2 from 190 patents)
2 patents:
1. 11906052 - Coated piston ring for an internal combustion engine
2. 11365806 - Coated piston ring for an internal combustion engine