Average Co-Inventor Count = 1.00
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. Agip Petroli (1 from 60 patents)
2. Presidenza Del Consiglio Dei Ministri-Ufficio Del Ministro Per Il (1 from 8 patents)
3. Edilberto Colombo (0 patent)
2 patents:
1. 5093016 - Lubricant compositions containing non-metallic dithiophosphates
2. 4434291 - Multifunctional additives for lubricants