Average Co-Inventor Count = 1.14
ph-index = 2
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 (4 from 183 patents)
2. Valmet Automotive Oy (7 patents)
4 patents:
1. 8162378 - Motor vehicle with an at least partly mobile roof
2. 7571951 - Cabriolet vehicle
3. 7481481 - Convertible
4. 7434864 - Cabriolet vehicle