Average Co-Inventor Count = 1.00
ph-index = 5
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 (6 from 56 patents)
6 patents:
1. 4415157 - Two-way slotless road racing game
2. 4231183 - Differential gear drive
3. 4218846 - Lane changing toy car with unidirectional clutch and positive steering
4. 4156987 - Toy vehicle
5. 4125261 - Toy vehicle and toy vehicle game
6. 4078799 - Toy vehicle and toy vehicle game