Average Co-Inventor Count = 2.00
ph-index = 1
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. D1084148 - Spinning top toy
2. D1068954 - Spinning top toy