Average Co-Inventor Count = 1.58
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. Hedstrom Corporation (2 from 63 patents)
2. F. F. Acquisition Corp. (1 from 8 patents)
3. Ritvik Holdings Inc. (1 from 7 patents)
4 patents:
1. 6132281 - Music toy kit
2. 6048251 - Flip over toy
3. 6036604 - Children's activity toy
4. D415213 - Children's play seat