Average Co-Inventor Count = 2.66
ph-index = 4
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. 5364299 - Surface skimming toy
2. 5057050 - Surface skimming toy
3. 4844475 - Electronic interactive game apparatus in which an electronic station
4. 4772241 - Toy top with impeller-driven flywheel