Average Co-Inventor Count = 1.00
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. Blue Box Toy Factory Limited (2 from 32 patents)
2 patents:
1. D297747 - Top and sides of a toy train track
2. D289537 - Toy locomotive