Average Co-Inventor Count = 3.00
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. Ideal Toy Corporation (2 from 56 patents)
2 patents:
1. 4327920 - Electromechanical decision making board game
2. 4291877 - Toy vehicle engine sound device