Average Co-Inventor Count = 2.05
ph-index = 12
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. (32 from 577 patents)
2. Hasbro, Inc. (11 from 497 patents)
3. Other (2 from 832,912 patents)
4. Playskool, Inc. (2 from 18 patents)
47 patents:
1. 12427434 - Spinning top toy
2. D1072958 - Launching apparatus for spinning top toy
3. D1068936 - Playing surface for spinning top toy
4. D1046991 - Launching apparatus for spinning top toy
5. D1046973 - Playing surface for spinning top toy
6. D1045997 - Playing surface for spinning toy
7. D1017717 - Launching apparatus for spinning top toy
8. D1017718 - Launching apparatus for spinning top toy
9. 11883754 - Battling environment with multiple play level surfaces
10. D1004000 - Playing surface for spinning top toy
11. D1002736 - Playing surface for spinning top toy
12. D970635 - Playing surface for spinning top toy
13. D964475 - Launching apparatus for spinning top toy
14. D961683 - Playing surface assembly for spinning top toy
15. D958895 - Playing surface assembly for spinning top toy