Average Co-Inventor Count = 10.02
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. Parvia Corp. (3 from 12 patents)
2. Other (1 from 831,952 patents)
4 patents:
1. 6322415 - Toy vehicular electromagnetic guidance apparatus
2. 6102770 - Toy vehicular electromechanical guidance apparatus
3. 6007401 - Optoelectric remote control apparatus for guiding toy vehicles
4. 5865661 - Toy vehicular drive apparatus