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 (3 from 183 patents)
2. Wilheim Karmann Gmbh (1 from 4 patents)
3. Valmet Automotive Oy (7 patents)
4 patents:
1. 7806458 - Convertible vehicle with a cover part which may open in two directions
2. 7712817 - Convertible vehicle
3. 7604283 - Cabriolet
4. 7429071 - Convertible