Average Co-Inventor Count = 2.18
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. Soprema S.a. (3 from 3 patents)
2. Soprema (societe Anonyme) (1 from 3 patents)
4 patents:
1. 5374020 - Self-blocking attachment member and securement device comprising said
2. 5170601 - Thin slab of plastic material adapted to cover the terraces of buildings
3. 5024886 - Sealing sheets for roofs
4. 4680913 - Process for producing airtight sealing of buildings