Average Co-Inventor Count = 4.19
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. Mattel, Inc. (4 from 1,702 patents)
4 patents:
1. 10866784 - Audiovisual devices
2. D838323 - Audiovisual device
3. 8651953 - Electronic game device and method of using the same
4. 7448935 - Liquid activated toys and operating systems for use with same