Average Co-Inventor Count = 4.29
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. Panline U.s.a. Inc. (2 from 2 patents)
2. Cranium, Inc. (1 from 4 patents)
3 patents:
1. 7829776 - Water music device
2. 7482521 - Water music device
3. 7364487 - Structure building toy