Average Co-Inventor Count = 3.60
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. Institut Francais Du Pe'trole (3 from 2,424 patents)
3 patents:
1. 6508057 - Process and device intended for nitrogen oxides elimination in an exhaust line of an internal-combustion engine
2. 6327851 - Process for controlled injection of hydrocarbons into an exhaust line of an internal-combustion engine
3. 6217838 - Process for reducing emissions of oxides of nitrogen in a medium which is super-stoichiometric in oxidizing agents