Average Co-Inventor Count = 3.69
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. Zizzle LLC (3 from 4 patents)
2. Radica China Ltd. (1 from 31 patents)
4 patents:
1. D541880 - Combined sound generating toy and speaker
2. D540885 - Combined sound generating toy and speaker
3. D540886 - Combined sound generating toy and speaker
4. D428937 - Hand held electronic game