Average Co-Inventor Count = 4.00
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. Snamprogetti (1 from 336 patents)
2. Eniricerche S.p.a. (1 from 260 patents)
3. Saipem Limited (1 from 212 patents)
4. Tecnomare S.p.a. (1 from 20 patents)
5. Snam S.p.a. (1 from 17 patents)
6. Parson Brinckeroff Quade & Douglas, Inc. (1 from 1 patent)
7. Enisud S.p.a. (1 from 1 patent)
1 patent:
1. 5540522 - Seismic joint for underwater floating tunnels