Average Co-Inventor Count = 2.00
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. Iwaya Corporation (2 from 16 patents)
2 patents:
1. 4836820 - Moving animal toy
2. 4813908 - Motion toy having action-changing structure