Average Co-Inventor Count = 7.96
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. (2 from 12 patents)
2. Powis Parker, Inc. (1 from 31 patents)
3 patents:
1. 6102770 - Toy vehicular electromechanical guidance apparatus
2. 5876131 - Printer having interface unit for selecting text orientation
3. 5865661 - Toy vehicular drive apparatus