Average Co-Inventor Count = 2.40
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. Tomy Company, Ltd. (2 from 577 patents)
2 patents:
1. 10695660 - Toy top
2. D827043 - Spinning top toy