Average Co-Inventor Count = 3.00
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. Dr. Ing. H.c. F. Porsche Aktiengesellschaft (3 from 4,052 patents)
3 patents:
1. 7445540 - Guide mechanism for a track-guided toy vehicle
2. 7429204 - Toy vehicle having an electric drive
3. 7311582 - Current collecting device for a track guided sport vehicle