Average Co-Inventor Count = 1.50
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. Other (2 from 832,812 patents)
3 patents:
1. 4280715 - Toy ski
2. 4170083 - Toy construction
3. D251496 - Holder for continuous sheet writing paper