Average Co-Inventor Count = 1.90
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. Wilhelm Karmann Gmbh (8 from 183 patents)
2. Valmet Automotive Oy (7 patents)
8 patents:
1. 8056957 - Torsion spring system for convertible top
2. 7654606 - Convertible vehicle comprising a main pillar
3. 7651151 - Convertible
4. 7588284 - Convertible
5. 7571951 - Cabriolet vehicle
6. 7517000 - Cabriolet car
7. 7445266 - Cabriolet vehicle
8. 6902223 - Foldable convertible vehicle tops