Average Co-Inventor Count = 5.29
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. Osaka Gas Company Limited (3 from 353 patents)
2. Eniricerche S.p.a. (2 from 260 patents)
3 patents:
1. 6074976 - Process and catalyst for reducing NO.sub.x in exhaust combustion gases
2. 5993764 - Nitrogen oxide-reducing catalyst and process for reducing nitrogen
3. 5869013 - Process and catalyst for reducing No.sub.x in exhaust combustion gases