Average Co-Inventor Count = 4.00
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. Tomy Company, Ltd. (3 from 577 patents)
3 patents:
1. D884078 - Playing surface for spinning top toy
2. D883389 - Playing surface for spinning top toy
3. D843490 - Launching apparatus for spinning top toy