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. Mattel, Inc. (3 from 1,702 patents)
3 patents:
1. 7658384 - Die-rolling device and game
2. 6755416 - Die-rolling device and game
3. 6595385 - Token dispensing game apparatus for young children